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GOTTA SEE>VIDEO>Watch as light particles crawl through a Coke bottle at a trillion frames per second

 
Luke@MyDik
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12/13/2011 10:31 PM
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GOTTA SEE>VIDEO>Watch as light particles crawl through a Coke bottle at a trillion frames per second
[link to io9.com]


Watch light particles crawl through a Coke bottle at a trillion frames per second


Three MIT physicists took the idea of high-exposure photography and cranked it up to absolutely ridiculous levels, using special optical equipment to show actual light particles on the move. Prepare to see the fastest thing you'll ever see... in slow motion.

The video up top was created using a streak camera, a new form of imaging technology that shoots light particles, or photons, through a narrow slit into an electric field. This electric field deflects the photons in a direct perpendicular to their original path. The camera detects the degree of deflection, and uses this to build up a two-dimensional image. However, these aren't the dimensions of an ordinary photo - one is the spatial dimension of the photon moving on a straight line, and the other dimension is the time it takes to move through the field.







To create a more traditional type of two-dimensional image - one with width and length - the experiment needs to be repeated millions of times, with the streak camera ever so slightly moved after each attempt. That sounds like it would take forever - and indeed, team member Ramesh Raskar has dubbed this "the world's slowest fastest camera" — but when it only takes a nanonsecond for the light to move through the field, all the necessary data can be gathered in about an hour.

Using a computer algorithm, all the different results can be stitched together into a sequence of coherent two-dimensional images of light on the move. Each frame has an exposure time of about 1.71 picoseconds, or just over a trillionth of a second. The videos are
Luke@MyDik
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12/13/2011 10:47 PM
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Re: GOTTA SEE>VIDEO>Watch as light particles crawl through a Coke bottle at a trillion frames per second
Would have been better if they also showed it in real time to see the comparison of a quick flash of light vs. this super slowed down version. Still pretty awesome, the light seems to travel like a bullet and even fragment out as it hits the lid of the bottle wen it stops.
Gunnz, lots of Gunnz

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12/13/2011 10:48 PM
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Re: GOTTA SEE>VIDEO>Watch as light particles crawl through a Coke bottle at a trillion frames per second
This kind of experiment was probably discovered 20 years ago secretly.

What i see is, if the light ball is traveling along at the speed of light, how come we can see the objects before light reflects it at the camera?

We can only see an object when light reflects off of it... maybe there is ambient light, but i would have done the experiment in total darkness for full effect.

Does anything exist if light doesn't shine on it?
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12/13/2011 10:51 PM
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Re: GOTTA SEE>VIDEO>Watch as light particles crawl through a Coke bottle at a trillion frames per second
This kind of experiment was probably discovered 20 years ago secretly.

What i see is, if the light ball is traveling along at the speed of light, how come we can see the objects before light reflects it at the camera?

We can only see an object when light reflects off of it... maybe there is ambient light, but i would have done the experiment in total darkness for full effect.

Does anything exist if light doesn't shine on it?
 Quoting: Gunnz, lots of Gunnz


To answer your question, yes of course it does. Think about the creatures of the deep seas. They can live in total darkness all their lives and they survive.
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12/14/2011 07:27 PM

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Re: GOTTA SEE>VIDEO>Watch as light particles crawl through a Coke bottle at a trillion frames per second
fuckin awesome
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Luke@MyDik (OP)

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12/15/2011 07:46 PM
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Re: GOTTA SEE>VIDEO>Watch as light particles crawl through a Coke bottle at a trillion frames per second
QUOTE "Does anything exist if light doesn't shine on it?"

Well wasnt there an experient done just recently and I think a thread here about it where I think it was an atom that they would try to split and it wouldnt as long as people there were watching it and were aware of it but if they didnt watch it it would split.

Anyone familier with that?

Last Edited by Luke@MyDik on 12/15/2011 07:46 PM
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