[cuban leaf]

Is it just me, or does that look like a flux capacitor?

[HighSierra5]

So now we can go back in history and fix this election?

[z3n]

I believe it’s called... a mirror

[Honest Nigerian]

you mean the shined a flashlight at a mirror? WHOA!!!
Or did they totally fail at explaining what they did that was so special about what they did did? (sic)

[Joe Brower]

Not sure what the big breakthrough is here. Astronomers have long used 'time-reversed light' techniques to make optical earth-based telescopes rival the clarity of what used to require space-borne devices; in this way, images can be resolved despite the atmospheric interference that distorts images taken at Earth's surface.

The Earth's atmosphere is like looking at something through a frosted-glass window -- time-reversed light enables the images to be rendered to correspond to what the arrangement of light was like before it hits the glass. The mathematics for this is way beyond me, but it's been in practice for decades.

[Moss]

Déjà vu

[aquila48]

Doesn’t a mirror do that?

[captain_dave]

It's not really time reversal. They were able to get a light wave to backtrack. Real time reversal -- going back in time -- would be observed before the wave was sent.

I think what they're proving here is that at the smallest level there is no randomness. This is probably very important research for developing optical computer components.

[aimhigh]

Read the article. Head exploded.

Does this mean they will be able to clear up fuzzy images of galaxies 13 million miles away.

[SuperLuminal]

I won’t form any opinion about this until I’ve heard from Sabine...