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Absolute zero is no energy, meaning NOTHING is moving, not even 1 particle. Everything is absolutly frozen.


If we did reach abosolute zero, then we would have to keep light away from it, because as soon as light goes near that area it would transfer energy, therefore it wouldn't be absolute zero...

I just read more about the laser powered satelite, and I was wrong, it's not a satelite, it's actually a space ship. The laser stays on the ground, and is pointed at the back of the ship, when the laser is pulsed, it super heats the air behind the ship, and propells it upward.
So if photons have no mass, they're pure energy, right? So energy can be affected by gravity? Man particle wave duality is weird.

I assume you mean the "Laser sail" ships ?

Sure energy can be effected by gravity, everything is effected no matter how small. Its just that the force of gravity is actually very weak. You only notice the effects of gravity on energy if its a particularly large star or a black hole.

If photons have no mass, how do they power those propellers (painted black on one side and silver on the other)?

I'm assuming that it has something to do with heat energy absorption, but I'm not entirely sure.

if sumone invented a teleporting machine, i think that would be faster than light

Slightly off topic...

I don't think that teleportation is feasible because it would have to be instantaneous (and break the laws of physics).

We could get near to instantaneous (relative to distances on our planet), perhaps with extremely powerful computers that could process and reassemble a human being at any 'teleport location' around the world.

I had slight inspiration from Michael Crichton's 'Timeline' there.

The point of teleportation is to bringing you back to the state of energy anyway, and bring you back (somehow) to the state you were before. That's the impossible thing in there. Well, for now anyway...

Teleportation is improbable, if you did get taken apart to the atomic level, then reassembled in a different place, wouldn't the electric charges in your brain get messed up?

Anyway, back on topic, kinda, this is getting confusing. Photons, with NO mass, are effected by gravity, and have an effect on particles that they collide with.

Teleportation wouldnt have to be instantaneous, at least not confined to a single planet. Light travels around the earth about 3 times in 1.26 seconds (roughly). So teleportation could simply be just under the speed of light and it will still be faster than any other transportation.

Teleportation only gets unpractical for long distances, such as to mars or another celestial body. That is because there is a high risk of information loss. It cant simply be "tuned" in, the transportaion has to be perfect the first time otherwise something gets lost.

Then there is the memory factor, the computer in charge of 'teleporting' you would have to have tremendous amounts of memory to be able to remember the exact location of every atom in your body. Thus another reason for having perfect communication between the teleportation beacons.



Im not sure what 'propellers' you are talking about. Maybe a picture would help ?

I think he's talking about a radiometer. Teleportation would be so useful if we could make it work, but we migh release too much energy, when we unbond our anatomical atoms (lol)

I mean a photometric (or something that sounds similar) propeller. It's upper surfaces are painted black, and the lower surfaces white. If it is placed in strong sunlight then it rotates.

Also, I sort of said what you said in the rest of my post Helios, after the part of it that you commented on.

If a photon has no mass why is it effected by the gravitational pull of a black hole.

Also things can and do 'sling shot' around a black hole. The gravity of a black hole is so dence that it actually pulls at the photons and changes the direction of them. As long as they don't pass the point of no return (event horizen i think), then light can escape.
This is the way we know black holes exist. Because at certain times of the year we will see a star in one spot, then at other times it will be compleatly gone and some where else. This is because light didn't follow a strait path and it appeared to be in a place where it wasn't.

PS. I don't belive in white holes (black holes spitting particles out in some parallel universe or another place in ours.) If there are white holes have we ever found any in our universe? More importantly if it is 'spitting' mass out so much how can it remain so dence? How could gravity effect it going in but not effect it going out.?

Well thats my 2 cents lol.

Maybe the big bang was a white hole spewing out everything in this universe, then collapsing into itself? Noone knows for sure what white holes do, I think I read somewhere, that Professor Stephen W. Hawking said white holes shoot out information, not matter. If only we could probe a black hole...

"I don't think that teleportation is feasible because it would have to be instantaneous (and break the laws of physics).

We could get near to instantaneous (relative to distances on our planet), perhaps with extremely powerful computers that could process and reassemble a human being at any 'teleport location' around the world.

I had slight inspiration from Michael Crichton's 'Timeline' there. "

With this who knows? Teleportation maybe we might find a way to jump out of our dimention (if in fact there are others) and jump back in at another point? Maybe? or maybe black holes if you find a way through are like warp pipes in mario!!! you go in one it makes that funny noise and you pop back out some where eles! but be careful of thoes goombas!!

It still couldn't go faster than the data can be sent.