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At last! The physics of Psionics, revealed!

TheDS

SOC-13
In my quest to understand the source of power for psionics and super powers and magic (oh my!) I have stumbled across a fairly interesting hypothesis. When I first got into RPGs (a mix of Traveller and Megatraveller being my first), one of the things we had was a guy who loved psi powers. He always had to have them. One of his favorite was teleporting.

Well, we found out because of that that teleporting up will cause your body temp to go up, and teleporting down will cause it to drop. It's in the rules somewhere. Conservation of energy.

Conservation of energy should also mean that a telekinetic person who lifts a human-sized object and tries to move it should feel the momentum of the person he is moving. Leads one to think that in order to fly, one must simply try to move the planet. Be careful though... considering the planet is so huge, you will throw yourself off it with even the tiniest of nudges! Ridiculous, of course. One cannot grab hold of a whole planet, and must instead grab as much ground as one can. It works kind of like grav-displacement in FFS; your mass-footprint is spread over the area you are grabbing and pushing away from. You fly not because you will yourself to fly, but because of the momentum of the ground is imparted to you in the opposite direction.

And then some further thoughts occurred to me recently, like how would a pyrokinetic raise the temperature of something? How much energy does it take to rasie a person's body temperature 4 degrees Celcius, the point at which brain damage becomes possible? What is the source of power for this?

Though some of the above is probably pure fantasy, the source of power need not be a total mystery. There is energy in your body. Whenever you exert yourself in some way, you spend energy and your mass decreases. It is NOT the simple E=MC^2 formula, but rather the one that tells you how much you are eating.

1 Calorie is defined as the amount of energy required to raise 1 gram of water 1 degree Celcius. Humans are mostly water. A heavy person might weigh 100 kg (220 pounds). It is known by nutritionists that if you reduce your caloric intake by 3500 calories, you will lose 1 pound of weight. Converting to metric, this is 7700 calories per kg. Once final note: a nutritionist's calorie is equal to the physicist's kilocalorie, so that 7700 calorie to kg ratio is actually 7,700,000 calories in 1 kg.

Ok, so if we have a 100 kg person, and we want to raise his body temperature by 1 degree, it will cost us 100 kCal. A pyrokinetic will lose 1/77 kg of his mass to perform this trick, assuming perfect efficiency. However, perfect, 100% efficiency is a pipedream. 50% is far more realistic (and actually quite efficient), and it will make some of our numbers easier.

So let us say our pyro also weighs 100 kg. That means every degree he raises his target, he also raises himself the same amount. He will kill himself at about the same time he kills his target. If the pyro weighs less, the problem gets worse. If the target weighs less, the problem gets easier. And with 50% efficiency, our pyro now loses 2/77 kg of his mass, which does not change with what he actually weighs.

Say our pyro focuses on a ream of paper. Let us imagine this paper weighs 0.1 kg. He will be able to raise the temperature of the paper to 1000 degrees in the same amount of time it takes him to raise a person's temp. (1000 C x 0.1 kg = 100 kCal.) This is more than enough to ignite the paper, and probably will incinerate it in short order.

The same concept can be used to power teleportation. How much work is performed by moving soemthing from one location to another? Work is defined as distance times weight, so if we moved a 310 pound object a distance of 1000 feet, this would equal 310,000 ft-lbs of work. This equates to about 420,000 joules (a LOT of energy!) or 43,000 kg-m. (kg-m is not the "true" unit, but if we equate kg to weight in the same way pounds is equated to weight, then this simplification will serve a purpose.*)

* Better a simple falsehood than an overcomplicated truth.

This value was chosen because it equates to our magical 100 kCal value. For the price of a candy bar, a child could teleport a km away.

Now since Work doesn't specify how exactly an object gets where it's going, we could theoretically use this for telekinetically moving an object using the same numbers. However, I suspect there is a lot more involved than simple Work, when it comes to TK, and this is one of the questions I have.

My next question would be about cryokinesis. Since it is pyro in reverse, we should get the same kind of results. However, it is currently my opinion that for every 100 kCal you expend cooling something, you will take on yourself 300 kCal of excess heat. You have your 50% waste heat, plus the 100% heat taken from the object - it has to go somewhere! So my question is: am I right? A sub part is, at what point does a human become endangered by lowered temp? There are documented cases of people surviving with body temps down to 72F or thereabouts (25C).

Thirdly would be, what is the rate at which this would take effect? Most fiction has these powers taking effect in rather rapid order, like on the order of a second or so. If this were GURPS, that would jive pretty well with their psionics rules, but this is Traveller, and combat rounds take 5 or 6 seconds apiece. I think it is fair to allow non-psi actions to take precidence over psi actions though. Still, in absolute terms (seconds, minutes, not rounds), how long does it take to generate this energy and impart it to your target?

Fourth, how long does it take you to cool down? Using your powers is going to heat you up if you use them a lot, as I already discussed. (4 uses by my reckoning, and you risk brain damage.) So how long does it take to cool down? Smaller bodies would have smaller surface areas as well as smaller masses, so I think some kind of square-cube law is in effect, but don't know how it applies.

Fifth, what kinds of things happen to you when you use powers? To help me answer this, I figured out a fairly simple way of handling it. Take the mass of the powered individual in kg. This is the maximum number of kCal he can affect in one second. For soemthing like pyrokinesis, this equates to a 1:1 value of kg-degrees. That is, a 50 kg person can raise a 4 kg object's temp by 12.5 degrees, because 12.5 x 4 = 50. I don't have a similar simplification (yet) for teleporting or TK, since I am not that sure of my numbers.

One full-power usage within a minute gives you a (say) 1/20 chance of having a negative reaction. 1 degree increase in your temp is like a slight fever, so this may be similar. 2 uses is 2 degrees, and a 3/20 chance of a negative effect (1+2=3). 3 uses is 6/20 chance. 4 uses is 10/20 chance, but 1 of those is a chance at critical injury to self. Internal bleeding, brain hemorage, brain damage, death, that kind of thing. Both scales continue to go up in the same way the more you use your power, until at some point you have a 20/20 chance of critical damage to yourself and you automatically coma or die.

The time period I am using now is 1 minute. It takes 1 minute to lose 1 degree of temp increase. Temp increases also will cause you to be weary. Your place on the initiative table will slowly slip, and if you have a negative result, you may be incapacitated for a turn or two. (Vomiting generally precludes anything else.)

Considering that a mere 4 degrees can kill you, I think this progressive table is just about right. Some one lucky could avoid problems until they've reached about 6 degrees, and then they are going to feel sick, no way around it, and at about 8 degrees, they have a 50% chance of critical effect (possible loss of intelligence point, or much worse).

This, I feel, keeps powers from gaining TOO much power. One other thing I thought of was, if I cannot raise a person's temp without also killing myself, why not jut focus on the head, which is maybe 10%? A single power use will not hurt me (19/20 chance), but will assuredly kill the target (he takes 10 degrees to his head!). Obviously, this is way too powerful, so I say you must use the power on the whole person. You could concentrate on an article of clothing (like jacket or helmet), but not on a body part; that's just way too powerful.

And of course, what if two pyros work in concert? Each is raising his own temp half as much as the target is being raised, so it should be safe. One cannot simply say you can't combine powers like that, but this is physics, not an episode of Star Trek. Either you must allow it, or MAYBE there is some kind of feedback, such that each person who is cooperating will actually heat the target AND his friend, which cancels out their idea.... until they agree to not work at the same exact time.

The final question is, is there any way to accelerate the shedding of the excess heat a body would generate by using their powers, basically allowing a person to use them more often? And how much more often would this be?

My apologies for the ultra-long post, but I thought this would interest you fair people.
 
Interesting and realistic, but unplayable. Or only playable by a very good roleplayer. I personally don't like the way Psionics are handled in some ways in Traveller. Psionics, I think, should be handled like a mutation, with it being passed down from generation to generation, and increases in power and skill with each passing generation. Think of Telepathy like talking. You learn from your parents and your siblings and friends how to talk - not from a school. Once one person is trained, you'd end up passing it on to your children informally.

But that's just my thoughts,

Scout
 
Well, we're only in the design stages here. Getting the underlying "reality" to work is the first order of business, getting it to be playable is the second, and making sure both are maintained is the third. I have always been of the opinion that performing these kinds of tasks (use of powers) was something that was not supposed to be possible; just not enough energy in the human body. But considering how much energy is in a single pound of fat.... 3500 calories, which is the ability to raise 3500 liters of water by 1 degree... That being about 14 megajoules... bullets are not so dangerous. Lasers and stuff seem almost quaint.

I've been wanting for a while now to justify the "science" of psionics and super powers and magic. Taking energy from the ether just didn't cut it for me. THIS does, after a fashion. It has what I'm looking for. You can use very small amounts with little actual drawback, you can perform a few larger acts before exhausting or endangering yourself, there is a built in limit to how much you can do at a time... I mean, it fits so well with fictional materials that it's incredible!

I mean, you see characters in movies all the time using small amounts of their power with near-infinite reserve, but they can call up on a lot more power and exhaust themselves. Games I've seen just don't model that very well. GURPS comes close by giving you a fatigue value, and allowing you to have your powers cost fatigue to save points, but unless the GM forces the players to incorporate fatigue, they're not too likely to use it, and have an infinite reserve.

But anyway, I was sharing this personal discovery with everyone in the hopes that it might help some one, and perhaps they can answer some of those questions before I get the chance to figure them out myself, saving me some time and effort.

Your input regarding power increases for each generation would seem at first to be the way things should be, but you quickly have an extremely unbalanced world in only a few generations. Eventually, everyone has powers, ad they get better and better, and it becomes impossible to empathize with such people. Just how much do we understand about gods? We barely understand our ancestors; forget the gods.

So I am disinclined to believe (or rather, to ALLOW) that the ability can pass down so easily, and build so easily. Psi powers, if they exist, should be quite prevalent by now, and they aren't, aside from the phone psychic hotlines. Psi is extremely weak, unreliable, difficult to inherit or teach, nonexistant, or completely useless, else we would have discovered and harnessed them by now.
 
Psi is one of those things&#133 so cool :cool: , but so stupid
. The brain of a telepath can "pick up" other peoples' thought. Yeah, right. I have a hard enough time keeping track of my own frickin' thoughts. And how many times have you lost your keys, wallet, etc in your own residence? You know the knowledge is in there but can't get it out.

:confused: What kind of "antenna" does the telepath's brain have for receiving or transmitting thoughts? For that matter, what kind of antenna does my non-telepathic brain have so that Mr. Telepath can read me? And what if my brain is Mac, but his is Intel? I could read his thoughts if he sent them to me but he couldn't read mine.

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But seriously (the above being only half serious), TheDS is overthinking. Psi can't use internal thermal/chemical energy to do anything, it can only be the brain using mysterious (maybe extra-dimensional) forces that exist apart from the brain itself. Things like telepathy might only work if there is a non-corporeal Soul inherent to intelligent life.

I don't think psi should be able to do anything that technology can't. Teleportation would be something like jump tech (er, well, not Traveller jump tech). Ideally you'd want to design both technology and psi in a milieu together.

In CT potential is arbitrarily peaking at 18 and diminishing thereafter. It appears that psi was designed to be something extra for the character who fails to enlist and decides not to submit to the draft, or gets kicked out after one term. It seems more an afterthought than a part of the milieu. File it and start over.

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I agree with Sir D that psi would have to be a genetic thing, although "sufficiently advanced technology" (ie, way past Traveller) might be able to implant powers. I don't see that training would do anything but speed development; if you have it you'd know it already and probably have some rudimentary powers.

Perhaps they would manifest at puberty or something&#151the notion of children wielding psi is kinda like children finding loaded weapons around the house.

PS: I found a link somewhere to a pdf of proposed d20 psionics. It is waaaaaayyy too powerful. Run for the hills, the munchkins are coming!
 
I definitely agree about the puberty thing. That is the absolute earliest that powers should manifest; it is a perfect excuse, since the body is going through so many changes, and a popular excuse as well. It also helps us to maintain our ability to imagine such a world. The potential for destruction with a child's uncontrolled emotions unleashing all kinds of damage. Kind of like that old Twilight Zone in which Bill Mumy is a kid with infinite powers, and the whole town is afraid of him. He eventually destroys the whole world, except his own little part of it. There was a sequel a little bit ago in the New Twilight Zone, in which he has a kid (played by his real daughter) who also manifests powers, and brings the world back. It's not exactly a happy ending, though, like the first one.

But that's just the tip of the iceberg.

Some theories of psionics dictate that they are an EM phenomenon. Some would say it could be a form of radio, but I'm sure we have tried that avenue. Nonetheless, there ARE electrical currents running us, and these currents can be picked up by sensors and used to guide machines. Neural helmets are a reality; they are being worked on. Kinda like Firefox; you think what you want the machine to do.

It is not too much of a stretch to imagine that a person may be able to sense these electrical brain currents, and be able to interpret them as being your thoughts or memories. There is plenty of anecdotal evidence to suggest that a crude form of telepathy exists. When I was young, the four of us in my family were able to "read each others' minds". One would draw a playing card, and think it at the other, and the other would guess what card it was. We were right a lot more often than pure chance would normally allow. I also managed to put this talent to use on a blackjack wheel (when I was 18), winning for about an hour, until the guy switched off and I couldn't predict it any more, and like an idiot, I kept on trying until I lost it all. And I recall being able to see auras when I was little.

But we eventually stopped "flexing those particular muscles", and for the most part, we are now as lucky or unlucky as everyone else when it comes to correctly guessing what some one is thinking.

I once heard that a genuine psychic COULD work you over the phone, because what is a phone but a bunch of wires and magnetic fields, and you are effectively holding that person's hand. We all know that touch-range confers benefits beyond normal bounds, in regards to psionics; it is represented in virtually every game or book that deals with it (that I have seen). It makes sense, that there is a path for current to follow when you are touching. I don't recall if auras merged or mingled, I certainly didn't think about it in the same terms as I do now, when I don't have the talent, but I mention it as a ossible transmission medium. The antenna, if you will. A stronger aura would be a better receptor. (I also can't recall if different people had different auras or if they were all the same, but it would make sense that auras vary by the person and by their health.)

Electromagnetism has been harnessed in a new way recently, called coupling. Coupling itself isn't new - it has been used in transformers since they were devised, but in this case, the two coils are not permanently one inside the other. The range for this form of communication decreases by the fourth power of range; that is, if you double the range, you decrease signal strength by 16.

We can suggest that telepathy works in a similar way. Your body is all the antenna you need; one doesn't need a small piece of metal to make an antenna. Besides, your blood has plenty of iron, if you want metal antennas. As our target gets further away, it gets much much harder to read anything off them.

Or, of course, if you read the Ender series, there is an alternate means of telepathy, the ties that supposedly bind us all together.

Since brain currents are so tiny, I would expect that it is not very exhausting to send or receive surface thoughts. I didn't really get into telepathy, since the energy expended is so tiny compared to the more flamboyant skills I did mention. Some people might be so sensative to these transmissions that they hear people's thoughts as a constant bizzing noise. However, in MY experience, the telepathy was more in the form of an impulse. Perhaps it was more empathy, or even a touch of foresight, trying to feel for the right numbers, than actual telepathy. At no time did I ever hear a voice in my head, and I don't think I ever saw images (but I could be remembering wrong), but I do know there was a FEELING that the answer was true. And while it didn't physically or mentally exhaust me, the talent would go away after a while, as if it was tired.

Anyway, why do you think body chemistry could not be the source of energy? I suppose it is not necessarily CHEMISTRY, since it takes the body a few minutes to react to things in that way, but it IS quite possible that successive successful uses of powers would cause you to lose mass. Either it will be the barely noticeable loss of 1/77 kg at a time, or it will be the immeasurably small e=mc^2 loss. I find it is a much more reasonable assumption than pulling energy from the vacuum, or some as yet undetectable alternate dimension or plane of existance, but let's hear what all you people have to say on the matters presented.
 
Our cells use phosphate (ATP-ADP-AMP) chemistry for power. There are no means available for converting mc² gamma rays into usable forms of energy (besides the problem of exactly what mass gets converted, and how).

There are no electrical "signals" in our brains, only exchanges of molecular ions across synapses. Detectable electrical impulses contain no information, they are only noise generated by moving ions. Scans can reveal the general location of ionic activity in the brain. Citing that as a means to telepathic communication is roughly equivalent to hanging a single microphone over Tokyo and thinking that traffic noise will enable you to understand written Japanese.

Saying that "your blood has plenty of iron, if you want metal antennas" is like saying hamburger has DNA and eating it will turn us into cows. Sharks have organs that enable them to detect the electrical impulses of muscle function over very short distances, which they use to hunt camoflaged prey. We have no such organs.

This is a Science Fiction game, not sci fan, not Uri Geller psi-babble. Worlds of Null-A postulated a brain organ which is atrophied in typical humans due to some developmental infuences. Such an organ could contain structures that function as antennae or whatever. Traveller postulates a dimension of space-time through which ships can travel, hence my mention of extra-dimensional energies that might be tapped both by technology and by organic "tech."
 
Hello TheDs.
how about if you want to raise the temp you lower your own, and your shiver reflex cuts in at the same time (part of the power.
If you want to lower the targets temp yours raises the same.
This needs no energy converter, just the ability to move energy.
Bugger that works for all psionics.
Teleport - convert body to energy move the energy reconvert energy to body.
Telepathy - read the energy in the other body.
Telekinesis - add or remove energy to an object.
I go with psionics being genetic (but it is a recessive so you basicaly wouldn't know if you have it until it rears its ugly head, No genetic test will work everyone has it,it just dosn't show in most people).
Bye.
 
You're probably right about chemical reactions not being directly convertable to usable energy such as I have described, but to me it sounds a lot less "magical" (or "Uri Gellarine") to have a source of energy that exists in reality, and which powers all our other abilities, than to suppose there is a mystical "extra-dimensional" from which energy is drawn, something that cannot be proven one way or the other. Perhaps I am being uncanon? I'd rather be less unrealistic, if possible, but of course, one shouldn't sacrifice playability in the name of realism. And seeing as how the values I've listed are fairly well in line with the values that most games give, well, it gives me even more reason to like them.

I don't know how you can say that we do not run on electric currents. I suppose technically we are talking about ions, which shift their spare electrons around, but considering that is also how one describes the operation of a transistor, well, I'm not going to call us a PN junction. There IS measureable current in the body, and running even a milliamp through the body is enough to affect our muscles. (A current of 100 milliamps, btw, is fatal.) 400 seems to be a magic number, in that if you grab hold of something with 400 volts at 400 hertz (ship's power works just fine for this) then you cannot let go and you slowly fry. Standard house power you can let go, but you have to tell yourself to grab tighter, since your muscles will do the opposite, and higher voltages just throw you off.

I would guess that that's beside the point. No need to chide me!
I am self-chiding. ;) However, I mention it because it illustrates that electricity runs through us and runs us. Send foreign currents through us, and they affect us. Don't grab hold of any power lines just to experiment on yourself, now!

They ARE working on devices which read your thoughts, such that by actively thinking about something, the sensors on your head pick up the electrical currents and the computer figures out what they mean. Now this isn't "mind reading" in the traditional sense. So far the computer can only do simple things, like distinguish between a handful of different thoughts. If we want to move a mouse cursor around the screen, we think "up" and the mouse moves up until we stop thinking "up". Then we think "left" for a moment, and then the mouse is where we want, and we think "click" and it clicks. I don't think it's to the point yet where you can think a letter and it types it, but it CAN distinguish between several thoughts, enough to do pretty much what the airplane in Firefox did, which was just activating and launching weapons. That "think in Russian" bit is not necessarily necessary. It clearly does not read memories, so your Japanese traffic example still holds. :D

I'm also going to disagree about your conclusion about bodily iron not making an antenna. ALL wires act as antennas. They also act as inductors. Put two wires close together, and they also act as transformers AND as capacitors. These are all measurable. Most of the time, they don't matter, but in sensative equipment, these tiny tiny values must still be taken into account. Maybe there isn't quite the concentration of iron in the body to make a traditional wire, but there is certainly more than enough electrical conductivity in the blood stream and the nervous system that iron really isn't the point anyway.

(And just between you and me, eating a hamburger DOES turn you into a cow! But don't tell anyone; it's part of my secret plot to take over the world. It's so perfectly disguised; everyone knows it! "You are what you eat"!)

Hello Lionel.

I thought of these conversions, believe it or not, but I decided against them because they didn't quite make sense.

Firstly, there is no such thing as cold. Only absence of heat. But saying "it's very absence of heat out there this winter" would just be a mouthful. Also, to assume that the body, whether it generates its own energy or channels it from some extra-dimensional source, is a perect converter of energy would be a bit unrealistic, seeig as how we have yet to find anything that perfectly - without some kind of loss - converts from one form of energy to another. So no matter what you do, there is going to be waste energy, and heat is usually the form in which energy is wasted. This puts a natural and small limit on how much powers you can perform.

In a closed system, energy must be conserved, and it prefers to be conserved in the same form as much as possible. Generally, this means that vectors (velocity and a direction, which includes rotational vectors too) like to stay the same.

So if you want to add heat to a target, you DO give it some of yours, but you are burning extra energy to make this heat. The net effect is that you both gain heat; you gain as much as the target, assuming a 50% efficiency (which is actually pretty efficient, but it's too convenient to ignore).

If you take heat away from the target, you not only have the energy you are burning to make that happen, you are also taking on the heat that you are taking away from the target. At 50% efficiency, this means that you heat up 3 times as fast as you would if you were heating the target, so cryokinesis is three times more dangerous, and seeing as how people have lived after being nearly frozen to death (body temp down 17 degrees), I would have to say it's not terribly effective if used on a person. Chilling a can of pop might be safe. :rolleyes:

When it comes to moving stuff, the object has momentum, and this is in the form of a vector. It is also trying to move down, so if you lift it, well, you've got to support that weight. Basically, however you move the thing, you move yourself in the same way, but in the opposite direction. And you must support its weight. Now just because YOU can't pick up a Yugo and throw it doesn't mean you couldn't support its weight if you laid down and lifted it with your mind. The weight should be distributed evenly through your whole body. Hopefully it's not focused in the little area of your brain that makes it possible, because that would definitely squash it. :D

And converting the body to and from energy for a teleport... well, that may work for Star Trek, but that's not going to cut it anywhere else. Seeing as how I (nor anyone else) don't know how a teleport works, all I can do is guess. I will guess that you are in one place, and you instantly appear somewhere else, and that teleporting makes noise (can't have you merging with air or walls, now can we?)

We must assume that you will retain your vector, such that when you teleport from one side of the planet to the other, you are suddenly traveling west at 1000-2000 mph. However, what about changing altitude? Since there is a difference in POTENTIAL energy, that has to be accounted for somehow. Since there is nothing else to do it with, we say it's heat. Teleporting up makes you hotter and teleporting down makes you colder.

I can tend to agree that psionics might be genetic, and that it's recessive, but that does not disclude Straybow's offering of an organ which not everyone has; in fact, the two mesh nicely. However, this gene or organ is not the source of the power, it is what allows you to have it. Eyes are not power sources, but they let you sense the world. The body's power source is in burning of calories from food or fat.

While you guys have provided a lot of great fire-testing of the theory, I'm still a bit short of the math end of the questions I asked at the start, and I was wondering if some one who knew this physics stuff might be able to shed some light on that too.
 
Well, the proportionality idea sucks, unless you want psionics that are nothing beyond parlor tricks and curiosities.

"I can use my telekinetic powers to lift that paperclip! Ha, now if I could just drop it between the hammer and the frame of the revolver the guard is shooting at me, right at the instant he pulls the trigger&#133"

Proportionality doesn't necessarily follow, either. For example, take a gun. Now the gun and bullet are forced to conserve momentum, hence recoil. But firing a bullet at you doesn't automatically shoot an equal and opposite bullet back at me! Also, there is a net energy release, from a potential energy in the chemicals of the powder to thermokinetic energy in the superheated gasses that result from combustion and finally into bullet kinetic energy.

If psi is to be a true tool then there must be some kind of leverage or advantage inherent in the system.

Yes, teleporting up from the street to the 82nd floor observation platform of the Empire State building is a change in potential energy. Why does that mean I have to heat up? What moderates the heating?

When air rises it goes through the adiabatic temperature change of 3°F/1000 ft. Adiabatic means the air is expanding but not doing any physics work. But the gasses expanding in a piston cylinder or gun barrel are doing work and therefore cool off more than the adiabatic rate dictates. Similarly, if I put air in a rigid container and raise the container 1000 ft the air in the container does not expand and experiences no internal temperature change.

Teleporting is closest to raising the rigid container. It isn't the stuff in the container that is causing it to rise, and it is doing no physical work. Similarly the psionic's physical body isn't doing the work of translocating, so no thermal change is necessary.

It is necessary to have some means for accomplishing the teleport. Like the gun barrel or the piston it needs to be something designed for the task. Or rather, it is the natural chemistry that allows energy to be reserved until unleashed, and the piston or barrel is devised to channel that energy into useful work. The psionic somehow functions as the tool to channel energies without having to supply the energies from some biochemical reserve.

Or another analogy would be the eye. It doesn't radiate any light, it simply absorbs incident light and responds with signals. A telepath can't "reach into" a mind and sift thoughts like searching in a file cabinet. Interactive or invasive procedures are not possible, it is passive reception only.

Maybe a horrendously powerful telepath could pick up the bewildering array of random associates that the target brain is sifting through in the thought process, and thereby catch clues that are not expressed in the conscious thoughts.

One example is the recognition process. If shown an image that the subject recognizes, there is a innate response that the brain makes to signal to higher functions that the connection to "tangible" memories has been achieved and useful data is available. Experiments have already shown this is nearly foolproof under the right conditions. An average telepath might easily discern if the subject were lying about not knowing a certain fact or person. The ubertelepath might pick up on some image in memories connected to the fact or person.
 
Proportionality doesn't necessarily follow, either. For example, take a gun. Now the gun and bullet are forced to conserve momentum, hence recoil. But firing a bullet at you doesn't automatically shoot an equal and opposite bullet back at me! Also, there is a net energy release, from a potential energy in the chemicals of the powder to thermokinetic energy in the superheated gasses that result from combustion and finally into bullet kinetic energy.
Well, actually, in a sense it does. When you fire the bullet, it has a certain mass and a certain velocity. The chemicals that propel the bullet go in the opposite direction, but are trapped by the gun barrel and impart their energy to the gun. A gun weighs a lot more than a bullet, so the speed it travels in the opposite direction is considerably less. There is also a rather large mass of the person holding the gun, which keeps the gun from flying off at whatever the speed would be.

Thing is, I don't know if we care about kinetic energy or momentum. One squares the velocity and the other doesn't, and most people know one but not the other, and get them confused very easily. (I am such a person as well, but I am aware that I could be wrong, whereas other people assume they are not wrong.)

But basicly, if the bullet weighs a gram and travels 1000 m/s, and if the gun weighs 1000 grams, then it should travel 1 m/s in the opposite direction, if momentum is the thing we care about. Momentum is simply mass X velocity. If it's kinetic energy we care about (and I don't think it is), then the formula is 1/2 X mass X velocity-squared, and the gun will travel at a significantly faster speed of 45 m/s. A rather important difference, wouldn't you say? That's either about 2 mph or 100 mph. Considering my numbers were rather weak (typical handgun bullets probably weigh more and travel faster), I think the momentum number is closer to the truth; I can't imagine a gun speeding off at a hundred miles an hour if it wasn't held properly.

And so, by the same token, if a psion moves a paperclip, he isn't going to notice anything, but if he tries to pick up a boulder, he will hurl himself just as surely as if he had literally picked it up with his hands, and the boulder won't go as far as he will, because it weighs a lot more. If the psion is wearing some kind of suit that made him weigh a lot, like maybe a really heavy set of battledress, that would counteract SOME of the mass he was throwing, and it might give him the strength to remain standing, just as if he had literally picked it up with his hands.

And I'm going to disagree about your container of air analogy too. If you put a breath of air into a balloon and tie it so it can't escape, the balloon isn't very big. Stick it in a vacuum chanber and start evacuating the air, and the balloon will magically inflate, because the air pressure inside must equal that of what's outside. Remove enough air from the chamber, and assuming the balloon doesn't burst, it will fill the entire chamber.

I don't know what the temperature of the air in the balloon will be. I do know that you can get water to boil at room temperature if you put it in a strong enough vacuum. Water boils at about 70 degrees celcius in the mountains, and cooking directions take this into account. (In fact, I used to frequently see on my food directions especially for those who live in the mountains.) Going up 1000 feet might not be enough of a pressure change to notice much anything.

But you can bet there is a significant amount of difference between dropping a penny from 4 feet and from 1000 feet. Without doing the actual math, I would say that the amount of energy from falling for 1000 feet is not insignificant; as I recall it's enough to change your temp by a degree, according to the MT book that mentioned it.

I agree that it would be rather difficult to read some one's memories, however, considering that the thing doing it is another tool designed specifically for the job of reading its own memories, and thence has soome experience in "naturally" understanding what it's looking at, I cannot rule out that some one could sift through some one's memories. I mena, we're talking pattern recognition here, and just because we can't do it consciously doesn't mean we're not capable of doing it at all.

This also does not preclude reading active thoughts. It has been proven that active thoughts can be detected and interpreted by machines (though you have to tell it how to interpret the signals first, in the same way you can teach a child how to speak), and there is no reason to believe that a person COULDN'T do this if he were sensative in the proper way. And there's no reason this should require a lot of power. Maybe to do it at a range, but considering longer ranges means the specific target must be able to overcome the noise of everyone else somehow... well, I just think telepathy is really only doable in close proximity or with contact.
 
Take a look at the Star Wars d20 rules for the Force. A lot of those powers cost vitality (stamina) points and then there's a feat in one of the books about burning wound (lifeblood) points after you've run out of vitality. I have a feeling this is what you might want to base the conservation of energy on. Then you can just treat it like getting wounded in T20. Lose Stamina AND lose Lifeblood to power your Psionics. I'd like to rework the whole psionics system for Traveller, starting with not having to go to a Psionic Intitute to learn and be examined. Just having a mentor to teach you should be good enough. Unless there is some system of calibration that your mind and body has to go through to be able to use Psionics, but I just don't like that. Treat it like playing the piano or driving a car. It's a skill and some people are better at it and others are worse, and some people race cars and play the piano for a living and then you get a Mozart or an Evil Kenevil that can do wonders. And some people can't drive at all due to injury, can't play the piano because of being tone deaf or something. But there should be something so you can learn all on your own just like anything else. I mean, most prodigies are so far ahead of the people around them that a teacher can't even help most of the time. I want to figure out a way to show that. Maybe with a feat or something.

Anyways, just my .02Cr

Scout
 
"&#133If it's kinetic energy we care about&#133"

No, it isn't. The kinetic energy comes from the combustion of gunpowder. The tool (gun) is merely a channel for that energy so that most of it goes into the bullet's kinetic energy. The only thing that is mechanically conserved is momentum.

"And I'm going to disagree about your container of air analogy too&#133"

You misunderstand what is meant by the adiabatic curve. As a balloon (or an unconstrained mass of atmosphere) rises it expands due to the reduced ambient pressure. As no work is being done in the system the total energy remains the same, and this is in turn constrained by k=pv/T.

The key here is ambient pressure (just as in your vaccuum chamber). Ambient pressure effects gasses but little else. The change in boiling point is due to the change in air pressure, not the change in gravity at altitude.

As soon as you put the air into a rigid container (a tool, as it were) the air doesn't expand or change temperature according to altitude. The pressure is controlled by the structure instead of the surrounding gasses. No expansion, no temperature change.

Let's go back to the original premise:

"Well, we found out because of that that teleporting up will cause your body temp to go up, and teleporting down will cause it to drop. It's in the rules somewhere. Conservation of energy."

It's Apples and IBMs. There is no equivalence between altitude dependent atmospheric properties and moving a solid or liquid from one altitude to another. Change in gravitational potential over that 1000 feet is only 0.005%, or 0.015°K proportional to ~300°K if there were a mechanism to connect internal thermal energy and gravitational potential (there isn't).

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SO, using the 3°F/1000 ft to scale psi energy constraints is way off base. Canon on teleportation is one of those things that was kludged together.

[Edit: Finally found it! Falkayn's links includes a d20 psionics pdf that is interesting. Way overpowered, but what does one expect for d20??]
 
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