Scientists Claim They Made Time Go Backwards…But Did They?

Time travel to the past is basically impossible
without breaking some laws of physics and acquiring plutonium from some Libyans. But time travel to the future is easy, we’re
all doing it right now. So why does time go forward and not back? The idea that time only flows in one direction
is called the Arrow of Time. But odd as it sounds, there’s nothing in
the equations that describes the laws of physics that says it has to be this way. The equations CAN tell you what will happen
in the future or what took place in the past based on what’s going on in the present,
but they don’t explicitly state that time must go from past to present to future. The math works just as well going in either
direction. The one thing that seems to keep driving this
time bus to futuretown is the second law of thermodynamics, which states that entropy
must always increase. Things must go from order to chaos; heat must
disperse from hot bodies to colder ones. It’s this increase in entropy that keeps
the ordered past behind us and the increasingly messy future ahead. But there seems to be a loophole in the second
law of thermodynamics, and scientists recently exploited it to turn entropy on its ear. Apparently the law doesn’t apply to correlated
particles, which are like entangled particles with less strong of a connection. When researchers observed a hot hydrogen nucleus
that was next to a cooler carbon nucleus inside a trichloromethane molecule, the nuclei behaved
as expected and heat flowed from the HOT hydrogen to the COOL carbon. But when they tried the same thing with correlated
hydrogen and carbon nuclei, the opposite happened. The hydrogen got even hotter while the carbon
chilled even more. The scientists went on to make the bold claim
that this experiment shows the reversal of the Arrow of Time, but even if that’s indeed
what’s happening it looks like it only applies under very specific circumstances on an atomic
scale. So, not that I’m a physicist or anything,
but did you? Does that mean time is suddenly running backwards
or is there something else at play here? Needed is research more. I wouldn’t predict a future where broken
coffee mugs spontaneously reform or rooms tidy themselves just yet. Special thanks to for sponsoring
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this video on how your perception of time can alter if you speak another language. In the distant future when the entropy is
at its maximum, there will be no arrow of time because nothing will be able to change. Thanks a lot for watching seeker!

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