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In reply to this comment by eric3579:
*promote

It didn't take a trillion frames in one second. It has an effective terafps framerate, but the photos were taken of different photon pulses over several minutes. It looks like a single photon pulse travelling slowly, but isn't, just like if you've ever seen the experiment with steadily dripping water and a strobe light where the water drops can be made to appear to slow down, hover in the air, and even travel back up.>> ^MonkeySpank:

I am guessing even parallel GDDR5 memory is not enough to handle the bandwidth of 1,000,000,000,000 frames. I am curious mostly about how this is information stored.

>> ^Boise_Lib:

"Also, its worth noting that monochromatic light does not need two slits in order to exhibit a diffraction pattern."
@juliovega914, don't you mean coherent light instead of monochromatic?


Yes, I do, my bad. Coherent light is by necessity monochrome, but yes.

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>> ^longde:

Medical imaging I can see; but the commercial applications he mentioned are a stretch. Why not just use CGI for that?


The applications for this are almost beyond imagining. This is a huge tool to all kinds of future research. The same way telescopes and microscopes can hardly be underestimated, this too is yet another giant leap in the tools available for researching how our world functions.

>> ^messenger:

Such fast cameras could be used to determine which slit a photon goes through, no? I mean, in a single frame, not a composite shot, obviously. And used with a photon pump laser, not a photon clump.


The short answer, no. In short, you wouldn't be able to see a single photon, because it can only detect light that strikes the camera itself. the case you see in this clip is a pulse that is very dense with photons, and that are flying everywhere. Consequently, the light you see is not light that is actually going forward, and therefore, not light that is going through the slit.

If you positioned the camera on the other side of the slit, you would see light that has recently passed through the slit, but that wouldn't tell you anything about which slit or slits the photon passed through.

Also, its worth noting that monochromatic light does not need two slits in order to exhibit a diffraction pattern. However tech such as this could definitely be re-purposed similarly to an SEM in order to accept electron emissions rather than photons, which would make some interesting vacuum electron scattering experiments.

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>> ^Nebosuke:

I think he has a vibrating wrist...


That's what she said.

>> ^Payback:

>> ^Nebosuke:
I think he has a vibrating wrist...

When you "pull" _______________/
you get a line.
When you "push" .........................\
it jumps in your hand.
It's technique.


Now can you write that explanation on a chalk board with dotted lines explaining the dotted lines =)

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>> ^Nebosuke:

I think he has a vibrating wrist...


When you "pull" _______________/
you get a line.

When you "push" .........................\
it jumps in your hand.

It's technique.

Dude, you could publish my notes as-is and people would learn from them...my note taking steez is like no other.>> ^dannym3141:

>> ^rottenseed:
You know how hard it would be to take notes in that guy's class without having a pause button. I'm always equipped with a straight edge and this guy just whips through lines like it's nothing.

Get away, you don't need it that precise for notes!