Questions you've always wanted to asked...

messiah khan said:
I got this one from new scientist, but im dying to know the answer..

You have a big box with the inside covered in perfect mirrors. You turn a torch one and it gets light. You then turn the torch off.. what happens? surely the light would just bounce around forever? Or would it all get absorbed by your eyes? What happens if you don't stand in the box?
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I think that in theory if there is nothing in the box to absorb the light, it would bounce around forever. Although that also means there would be no way to look at the light, and the mirrors would have to be perfect (which in reality they aren't).
 
Time Travel. the perpetuated myth??

if you can travel faster than the speed of light - you arent actually going back in time, you are simply moving further away from the object and observing the light as it WAS - so you can look back in time by traveling faster than light, but you wouldnt be able to interact with it, imply watch?

is that logical?!
 
Nickg said:
Time Travel. the perpetuated myth??

if you can travel faster than the speed of light - you arent actually going back in time, you are simply moving further away from the object and observing the light as it WAS - so you can look back in time by traveling faster than light, but you wouldnt be able to interact with it, imply watch?

is that logical?!
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If light is the fastest thing ever. If we went faster than it, surely we would be able to see it. As it wouldnt of even reached us.

So if your traveling in space at that speed (faster than light) and look behind you. You wont see anything.

Is this right?
 
droolinggimp said:
If light is the fastest thing ever. If we went faster than it, surely we would be able to see it. As it wouldnt of even reached us.

So if your traveling in space at that speed (faster than light) and look behind you. You wont see anything.

Is this right?
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In theoretical theory, yes. In practical theory, no, as nothing can travel faster than the speed of light.
 
droolinggimp said:
If light is the fastest thing ever. If we went faster than it, surely we would be able to see it. As it wouldnt of even reached us.

So if your traveling in space at that speed (faster than light) and look behind you. You wont see anything.

Is this right?
Click to expand...
I'd assume you'd see the light that gets there just as you do, which is in fact "old light" :confused:
 
What exactly is the point of Silca gel?
You get it in something and you throw it away!!!
 
When is the beggining of time, and if there is a beggining of time, what was before that?

When was the first particle? If there is a first, surely there would be something before that?

That last question always boggles my mind, and makes me think that we're just not important.
 
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