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Physicists reverse time using quantum computer
- hownottowrite 8y agoActual Study: "Arrow of Time and its Reversal on IBM Quantum Computer" https://arxiv.org/pdf/1712.10057.pdf https://arxiv.org/pdf/1712.10057.pdf
- johnminter 8y agoQuantum Leap, here we come (grin)
- codeulike 8y agotihs yloh
- turc1656 8y agoThis is a garbage article. They are basically taking the concept of entropy and saying that because they found a way to force something to happen that is insanely improbable it's "reversing time". That's nonsense. That's like saying that hydrogen and oxygen atoms bonded to form water molecules and using electrolysis to split them back into hydrogen and oxygen is time travel. It's completely absurd.
- biscuitb0b 8y agoNo, it's actually quite different. What you're suggesting is that they manually scattered each electron, and then brought each one manually back into place. What actually occurred is that a completely different state was induced, which effectively 'reversed time' (I really hate that phrase). I found a pdf of the study, but I lost it among all the 'Have scientists created a TARDIS?'s. Basically, it said the maths, and the probability of an electron spontaneously entering the state. You could probably find it, if you really wanted to.
- sctb 8y agoMost comments moved to https://news.ycombinator.com/item?id=19378567 https://news.ycombinator.com/item?id=19378567.