They shot brief pulses of light from a laser through a coke bottle (skip to 1:48 if you’re not interested in the explanation, though it is pretty interesting) and you can actually watch the photons as they plod along.
Wow, that is some neat shit!
That really looks like it will have some game-changing practical applications in the future.
Wow, amazing. I think there are some real practical applications for this in my field. I’ll fill out an improvement suggestion form and cash in on this puppy. Thanks! 
Wow. Just wow. Freaking fantastic!
The only reason why cameras can “see” anything is because they detect the photons that bounce off that thing.
There are no photons that bounce off other photons allowing you to see photons “plod along”. The video is an optical illusion.
But as photons move through a transparent object, the odd one will be scattered laterally allowing you to track the progress of the beam through the object, surely.
Next up, Photon Torpedos!
Those are not “videos” like normal high-speed cameras are. They literally repeated those scenes thousands of times, and took only one picture each time, and then had a computer synch it all together. It only works with light pulses because light is a constant and reacts the exact same way each time. They cannot film anything other then set up light experiments.
This is really amazing. The ability to use non-coherent photons to image an object at that speed is truly a breakthrough.
This will, in my opinion, be genuinely useful in many different applications.
Yes! We will now know if Hans Sol really did shot first.
Witchcraft!
Hans Sol?!?!?
I really like what they call it - “The world’s slowest fastest camera”.
Han Solo:smack:
Damn the Torpedoes!
Germans always shoot first.
Is Greedo a French name? Or Polish?
I can’t really imagine anything happening at a few hundred times a second, let alone a trillion.
When you’re driving down the highway each of your car’s pistons is changing direction roughly 100 times per second.
(That’s assuming that I’m understanding engine terminology correctly, that at cruising speed you engine is doing roughly 3000 RPM, and noting that each revolution involves two direction changes [up and down] for each piston.)
Finally! We can see the Scalosians that gave Capt Kirk so much trouble in Wink of an Eye. The Enterprise should have been fitted with one of these cameras at the space dock. 
You have to figure there are some interesting apps in materials technology, biotech and so forth coming down the pike. Sure smells like a game-changer.