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

December 4, 2019

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
this episode of Seeker! is awesome, affordable, reliable,
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online and visit domain dot com. If you’ve watched all our past episodes
then please subscribe for our future ones. If you haven’t seen them all, check out
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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  • Reply Aaron Lowe June 3, 2018 at 2:51 am

    Reduction of entropy also occurs on a chemical scale. Chemically speaking, an increase of disorder in the body is represented by age. Yet a mother (with more entropy) is able to give birth to a baby (with less entropy). This breaks the second law of thermodynamics.

  • Reply Bryan Channell June 4, 2018 at 1:30 am

    Wow, like omg if they did:)

  • Reply TIlak Sevak June 4, 2018 at 7:09 am

    Good thought!! If maths works in backwards the same, why not time?? It could have numerous previous steps in that scenario!! 🤔🤨

  • Reply John Wang June 4, 2018 at 7:15 pm

    We don't travel to the future. When you travel from City A to city B, you are no longer at City A when you arrive at City B. We don't travel to the future because we still existed in the past when we arrive in the future. We simply exist in time.

  • Reply justin valdez June 6, 2018 at 4:06 am

    Bro pressing the rewind button on your blue ray is not time travel!!!

    We see the past every second of every day of our lives.

  • Reply Uden One-Eye June 7, 2018 at 7:34 am

    Has entropy always existed?

  • Reply ShadyTree Tea June 7, 2018 at 11:59 am

    Its worrying that so called scientists would think this From just a simple experiment. Without triple checking the results are even anything to with time. Which it's not, even if entraphy went 'backwards' it's still not an indication if time going backwards.
    Rhodes guys need to go back to school let alone UNI

  • Reply Soumyadeep Mondal June 8, 2018 at 6:59 pm

    Now can anyone explain me what's Correlated molecules?

  • Reply Fatal Heart Rhythm June 9, 2018 at 7:52 am

    I travel in time every time I hit the back button on my browser

    Basically, I am a Time Lord. Who wants to touch me?

  • Reply Typhoid Feverr June 9, 2018 at 10:32 am

    laws are meant to be broken dummy

  • Reply Carla Campbell June 9, 2018 at 11:08 am

    You can’t travel back in time without being in the same location of earth during that period of time. Few know this but earth doesn’t just orbit the sun it is really moves in a spiral as our solar system is moving through space as the universe expands. So to go back in time you need to find that physical location in space time continuum. Good luck scientists.

  • Reply Joel Munson June 9, 2018 at 8:09 pm

    Were the correlated particles inside the same molecule?

  • Reply TheCaptainLulz June 9, 2018 at 8:36 pm

    Thanks for continuing the stupid on entropy. Entropy only applies IN A CLOSED SYSTEM. If energy can enter the equation, entropy is no longer a factor because that energy can be used to order the system.

  • Reply yoh zmith June 10, 2018 at 11:48 am

    is trace domiguez gay O_o ?

  • Reply No Name June 10, 2018 at 12:31 pm

    How about we don't mess with time? No?

    Fucking idiots.

  • Reply Dadson worldwide June 10, 2018 at 11:17 pm

    Just imagine (now) present couldnt be here if it was infinite. It would be infinity before present, therefore if it was infinite then time could exist. Lol 😂 mind fart

  • Reply tony webster June 11, 2018 at 9:55 am

    Will make me forget the hideous elmer fudd lookalike kevin rudd, mr mediocre michael devoren, and his favorite Pakistani agent paul murley? If so, bring it on. And don't forget the singing beaver, that is country and western singer that resembles a sinfing beaver.

  • Reply Slav Emperor June 12, 2018 at 10:05 am

    Yyyy, present? There is no such thing like present. Everything You say is already past.

  • Reply Rise73 G June 12, 2018 at 1:19 pm

    I can travel 10 years into the future..It just takes me 10 years.

  • Reply Joe Mott June 12, 2018 at 6:28 pm

    I swear I watched this video in the 1950’s

  • Reply Bilal June 21, 2018 at 10:12 am

    I think the Chinese are winning the race with this one. They have already accomplished this at an atomic level.

  • Reply Jack Pullen July 20, 2018 at 8:38 pm

    Time symmetric quantum mechanics says we can, well at least the math does. Our brains do it all the time according to some theorists…

  • Reply zztop3000 July 25, 2018 at 10:56 pm

    The title is completely wrong. It's still entropy, carbon got colder to get hydrogen warmer. Nothing out of the ordinary here.

  • Reply Spencer Panes July 29, 2018 at 2:40 pm

    Time travel in the Past will Happen in the Future not in the Present

  • Reply Krythix August 4, 2018 at 3:38 pm

    Extraordinary claims require extraordinary evidence.

  • Reply Malik Rashid Ahmad August 5, 2018 at 11:14 pm

    Dear fellows, Time is really great illusion. And why time of arrow is in one direction, because there is no future. Future and Past is loopback system. What ever we see, listen and feel in daily life routine is from past, not from future. We see, listen and feel everything that is already happened before sometime ago, and it has been coming to us from past, but if no event occur anywhere else we can notse, listen or feel. So there is only past or present observed moment. No event triggers means no future. Yes already we are always looking in past in our lifes.

  • Reply mulhamj August 12, 2018 at 6:35 pm

    acquiring plutonium from some libyans? what what? what do the pc wariors in the youtube company think about that?

  • Reply HottStepper August 17, 2018 at 4:14 pm

    Time doesn't exist

  • Reply Unforgiving, Unforeseen August 18, 2018 at 11:57 am

    This basically explains nothing… Can you guys please make some detailed series on physics-related problems like you did with our brain on sex and orgasm? Potential topics are String and LQG, what happened before the big bang and Ads cft etcm

  • Reply The surfing Shark August 22, 2018 at 11:14 pm

    Rewinds video I made you travel back in time!⌚️⏱

  • Reply Kazuto Hououin August 24, 2018 at 1:32 am

    "…or is it…" Hhhmmmmmm insert twisting effect


  • Reply Opinions About August 25, 2018 at 3:47 am

    So…did they

  • Reply Baruch Ben-David August 26, 2018 at 4:22 am

    What are "correlated" particles?

  • Reply Pepins Spot August 28, 2018 at 7:57 am

    I can make my room tidy it self up. Just raise my wand and say "scourgify".

  • Reply İrem Bendeş September 9, 2018 at 12:58 pm

    There are shortcomings and tiny mistakes in the English Subtitle.

  • Reply Yfg Dhh September 12, 2018 at 4:55 pm

    He is ant man's friend

  • Reply Featherman R September 16, 2018 at 1:16 pm


  • Reply Kruciatis krucial Rose September 24, 2018 at 1:39 pm

    That's what dejavu is. A ripple in time.

  • Reply White Night September 28, 2018 at 12:23 am

    I believe you don't need to move faster than anything.Time itself Is Already Moving for you.Time is it's Own Dimension Independent of only need Tap into It.everything is gravity so we'd have to pay for Electricity !

  • Reply Jim M September 28, 2018 at 10:44 am

    people talk about time travel in the past like they would sit there and watch entropy in reverse. I would think it would be more like going directly back to a previous state in it's entropy. like boiling water and wouldnt sit and watch the steam reconstitute itself into water, you would just go back to when the water hasn't boiled off yet…

  • Reply Daxxon Jabiru October 5, 2018 at 10:04 pm

    Can so go backwards in time! It's called "tRumpism."

  • Reply monogometr1c October 22, 2018 at 11:33 am

    if you were to spin a billion times a second (much like a black hole) but your consciousness was observing just one spin, everything around you would look like it had frozen basically time would look like it stopped

  • Reply cracking pirates October 24, 2018 at 2:11 pm

    i may take this research if i will become a physicist.

  • Reply LiveOnDeviantArt October 26, 2018 at 8:34 pm

    Time going backwards… is it possible?
    People can dreams about real future events…! (That is real live time travel but only as spectators… And even so when we see future we can get usefully info)!
    Can people dream about past events the same way they dream about future events?

    Time travel is possible only in dreams because our brains have brain waves that can surf on gravity waves of space and time.
    How can we allow our full body to travel in time and return the same ways our brains does?
    I think one of the alternatives is using sound frequency safe enough to levitate the person in plane air, and then use Gravitational waves.

  • Reply HeightsGamer November 2, 2018 at 2:11 am

    Doesnt that break the conservation of energy

  • Reply Julian Parsons November 6, 2018 at 9:05 pm

    Ah. Well, I guess we'll have to go back in time to confir… wait…

  • Reply sonic marauder November 8, 2018 at 6:20 pm

    Reverse quantum backward timetravel?

  • Reply sonic marauder November 8, 2018 at 6:28 pm

    Like in star trek4(the voyage-home)

  • Reply SleepLess November 11, 2018 at 4:48 pm

    I’ve made time go backwards on settings>date&time

  • Reply vikt K November 25, 2018 at 2:58 pm

    That would be very crazy!!
    Imagine your own shit jumping out of toilet and climb into you through your as$hole😂😂😂😂

  • Reply Turk Turkic November 28, 2018 at 8:10 am

    Thèse scienctist did not understand what They did see. .. They just tolk.

  • Reply TheLonePantheist December 1, 2018 at 11:05 am

    What the experiment showed was the second law of thermodynamics is not nearly as absolute as we previously thought. This also reopens the door for cyclical models of the universe.

  • Reply Jayson Aguilar December 8, 2018 at 12:22 am

    I think you can travel back from the past but not a human anymore. Just an invisible one .

  • Reply Kaushal Timilsina December 8, 2018 at 2:25 am

    Wow! This is so incredibly awesome!

  • Reply Agent 8 Octoling CQ-80. Deepsea metro[] December 16, 2018 at 4:31 pm

    It was 3019 but they made it go backwards to 1001

  • Reply genome616 December 26, 2018 at 8:18 am

    The flaw in this concept using this entropy example is that the actual event happened while the time line was moving forward under specific conditions, left to its own natural physical environment we would see what we expect happen IE as expressed before – the hot body cooling down and the colder body warming until equal.
    I would also add here that time itself is a man-made concept to allow our limited brains to make sense of nature, time itself does not exist as such at the quantum level in the sense we apply it to the atomic and macro world, also the way we apply gives it only one direction only to say the maths does allow for it to go backwards is incorrectly applying maths to make your case it is thus possible, any event that seems to defy forward direction of time is merely an illusion created while time itself still moves forward.

  • Reply Raghavendran T B December 31, 2018 at 5:43 pm

    Can I move back in time?

  • Reply jessie christopher lapinid January 5, 2019 at 3:04 am

    Why do we have physical laws that do not work all the time

  • Reply William Xu January 23, 2019 at 7:01 am

    You can’t divide backwards now can you lol

  • Reply John Gabris January 25, 2019 at 12:57 am

    see its going back to events, not so much the clock going forward or backwards doesn't change anything, its the events we wish to see in our unique past or future which we don't know yet will be.

  • Reply Evolution Inc. January 26, 2019 at 4:48 pm

    I just wanna see some fucking dinosaurs :'( God damnnit.

  • Reply James Hines February 6, 2019 at 11:40 pm

    Maybe time only exists in our heads, think about it!

  • Reply Coldplay Makes My Day February 16, 2019 at 2:20 pm

    Oh take me back to the start.

  • Reply Ajiq February 16, 2019 at 7:04 pm

    if you reverse time there will not be the same timeline as before

  • Reply Meh March 13, 2019 at 6:01 pm

    2019's answer:

  • Reply karma tam March 14, 2019 at 11:14 am

    They have actually did it now

  • Reply plasticuproject March 14, 2019 at 8:38 pm

    Moscow 2019 calling, we have news.

  • Reply Juanfer Briceno March 15, 2019 at 3:02 pm

    The flow of time does not exists in physics

  • Reply abu hudhayfah edwards March 17, 2019 at 1:41 pm

    MoFo’s be 🤥

  • Reply 10CC March 18, 2019 at 2:12 pm

    CHCl3 Chloriform?

  • Reply Jason Moore March 19, 2019 at 10:55 am

    They did not force time to go backward.

  • Reply Justis Lafituanai March 19, 2019 at 9:44 pm

    Spoilers for endgame

  • Reply Michael Solis March 21, 2019 at 1:10 am

    Biggest lie ever as time is something we created

  • Reply Thomas Southern March 21, 2019 at 11:25 pm

    For the system being processed, the arrow will always move forward. So, it may be possible for a system moving forward in by its reference to appear to be moving backward but to the system, the arrow only moves forward. This implies that is any events seem to happen out of time, they will only support the overall timeline. This experiment actually implies that time is too flexible to be the victim of any paradox.

  • Reply Aaron Giles March 22, 2019 at 7:45 pm

    Isn't the direction for the arrow of time set by the amount of energy from the initial big bang explosion?

  • Reply Monte Taylor March 26, 2019 at 12:15 am

    Yes, they did. What's important to understand is that it's basically the same concept. Kinda like how sight, taste, touch, smell and hearing sense the same thing but they each pickup on different aspects of that same thing; going backwards and breaking the laws of physics should be the point.

  • Reply Joe Sammy March 26, 2019 at 1:55 am

    you are the atomic scale idiot

  • Reply Peter Forbes March 27, 2019 at 6:45 am

    To late the eternal loop.guess what. I'll be back ,👀

  • Reply David Jackson March 28, 2019 at 12:26 am

    Baby steps

  • Reply Marion Pettersson March 28, 2019 at 3:59 pm

    But it must be a difference between time reversal (not necessarely time travelling.) and time alternation/time displacement (definitly time travelling!)

  • Reply Nick C March 29, 2019 at 1:23 am

    See<er. " 'ER' (the tv show,) is greater than See."

  • Reply Sunshine March 31, 2019 at 2:53 am

    Me: Have you ever tried to use a microwave? It kinda turns cold bodies into hot ones.
    Entropy leaves the room

  • Reply JLo™ March 31, 2019 at 6:00 pm

    nothing is impossible!

  • Reply TheIntJuggler April 2, 2019 at 2:28 am

    Even if time did go backwards our memories and perception of time will still be moving forward.

  • Reply Tim Newth April 3, 2019 at 1:24 am

    Unfortunately I spent the time waiting and then waiting again.

  • Reply Kelly E April 14, 2019 at 7:28 am

    Ha! They went and induced retrophy and thought it was time travel.
    “We need more JIGAWATTS MARTYYYYY!”

  • Reply Mauri Sombowadile April 14, 2019 at 7:41 am

    No, they can't conclude time reversal from entropy decrease!

  • Reply Fyx April 15, 2019 at 2:50 am

    666k views monkaS

  • Reply jdfj dfsdf May 29, 2019 at 11:30 pm

    Time does flow backwards, but because you are not God you cannot become aware of this. God is the only being outside time and thus is the only one who can notice the change in time. SO even if God moved the clock backwards you would not know.

  • Reply Patrick D Kinuthia June 13, 2019 at 12:18 pm

    haha, the die have been cast once more…

  • Reply Commonwealth Irish Empire June 16, 2019 at 3:15 pm

    I would destroy the attempts at Russian Revolution. if it is possible

  • Reply John Smith June 20, 2019 at 9:53 am

    What is your education

  • Reply Hopper S June 30, 2019 at 5:19 am

    If someone reversed time in the future…its already happened which means its going to happen again.

  • Reply cinegraphics July 6, 2019 at 2:25 am

    And they can also cool stuff by using lasers. So, by adding energy, they remove energy. Does it also mean that time has gone backwards? Of course not. There's always a simple explanation for such stuff, which never includes time-reversal. We don't have administrative access to change the algorithms that drive our universe. Only the top sysadmin could make the time go backwards. But I doubt anyone of us inside this universe can actually change those formulas. And restart the universe. We don't have the proper authorization code.

  • Reply Alternate Ego July 10, 2019 at 2:36 pm


  • Reply Wildboy789789 September 7, 2019 at 5:26 pm

    time isnt real, its a measurment of decay… so can you decay slower or faster? yes… can u engineer a world like 1950 by bringing back the places and people, maybe… can u actually make people move in reverse like a VHS tape? not without painful electrodes lol… u cant go back in time or end time because time doesnt exist, its a measurment, its like asking can u make a gallon of water go back to before it was a gallon, yes you can but you cant reverse exactly what happened, u can only physically force a recreation of what once happened

  • Reply Will harry October 7, 2019 at 4:37 am

    If time travel were possible, someone from the future would have come back to our time to tell us about it.

  • Reply Adileth's friendship world November 9, 2019 at 2:38 am

    Its true time did go backwards its 6 pm and its already dark , at sunday 2:00 pm on november 2nd it gwts more darker, it ends in april

  • Reply Jeremy Cornwell November 15, 2019 at 5:10 pm

    Flip the clock around

  • Reply Pablo Diablo November 22, 2019 at 12:12 pm

    Wonder if this experiment could potentially explain why the Suns corona (it’s atmosphere) appears to be hotter than the actual surface of the Sun?

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