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Physicists Use Quantum Mechanics to Pull Energy Out of Nothing
- sdfghswe 4y ago[flagged]
- hn8305823 4y agoUgh. HN used to have high quality comments. Now they don't even read the actual article and just comment on the click-baity headline.
- sdfghswe 4y ago> Ugh. HN used to have high quality comments. Now they don't even read the actual article and just comment on the click-baity headline. What are you talking about? This is literally the first line: > For their latest magic trick, physicists have done the quantum equivalent of conjuring energy out of thin air So you see, the article does say that they got energy out of thin air. In fact, the first line is arguably the title, which is: > Physicists Use Quantum Mechanics to Pull Energy out of Nothing Which also says they pulled energy out of nothing. VERBATIM. So when you say I didn't read the article, maybe YOU didn't read the article?
- jjk166 4y ago> Those who took a closer look, however, realized that Hotta was suggesting a subtly different quantum stunt. The energy wasn’t free; it had to be unlocked using knowledge purchased with energy in a far-off location. From this perspective, Hotta’s procedure looked less like creation and more like teleportation of energy from one place to another — a strange but less offensive idea. 6 sentences into the article.
- sdfghswe 4y agoObviously I'm not gonna read even 1 sentence past bullshit. So I maintain my original claim. quantamagazine used to be high quality, now they're publishing bullshit. They published bullshit in the title.
- jjk166 4y agoOkay, but that means you didn't read the article and are just commenting on the title.
- kridsdale1 4y agoHey, my professor is quoted! Unfortunately I took his class before I took the requisite math class and had a very bad time, leading to me switching to CS from Particle Physics.
- GeompMankle 4y agoHe probably saved your life. Good time to send him a christmas card next year.
- testTED 4y agoIs this a quantum physics joke?
- anthk 4y agoEh, wait... thermodynamics...
- bobbylarrybobby 4y agoWhere do discoveries about quantum mechanics come from? My understanding is that we've had the laws written down pretty much in their entirety for a while now. Is it just people doing calculations that hadn't been done before? New experimental data that's upending the laws? Or are there a lot of parameters in the laws that still are not yet known?
- cheese_van 4y agoThe discoveries come from inferring,and calculating, from those laws, what is possible. What do those laws really mean? If the law is true, then it follows that this other thing must be also be true because the law expressly says it is true (or the law allows it).
- jfengel 4y agoIn this case, it's mostly about headline writers coming up with new ways to be misleading. Buried a few paragraphs in, it says "The energy wasn’t free; it had to be unlocked using knowledge purchased with energy in a far-off location." In other words, the opposite of the headline. That doesn't mean it isn't nifty. It is, however, just what you said: "people doing calculations that hadn't been done before". People shove the equations around until they get a result that strikes their fancy, and then (ideally) goes off to perform an experiment that confirms it. New discoveries are made every day, just by converting the equations into a form you haven't seen before. Most are boring. Some are interesting, and those make journal articles. Some are then exaggerated to make them seem more interesting than they really are, because what everybody wants is a once-in-a-century revolution to occur every week.
- deleted 4y ago[deleted]
- westurner 4y agoEnergy teleportation in 2023: > Now in the past year, researchers have teleported energy across microscopic distances in two separate quantum devices, vindicating Hotta’s theory. The research leaves little room for doubt that energy teleportation is a genuine quantum phenomenon." Quantum foam: https://en.wikipedia.org/wiki/Quantum_foam https://en.wikipedia.org/wiki/Quantum_foam
- kristianp 4y agoI like how you can code up an experiment on a quantum computer for this stuff. Try testing actual physics on your regular deterministic computer!
- eurasiantiger 4y agoHow do you know quantum computers are not deterministic?
- kiicia 4y agoBy definition
- eurasiantiger 4y agoAnd if the universe is imperceptibly deterministic?
- kiicia 4y agoit is not
- eurasiantiger 4y agoYou sound very certain of it.
- hulitu 4y ago> Physicists Use Quantum Mechanics to Pull Energy Out of Nothing Abother perpetuum mobile with 51 points on HN. Is physics banned in schools ?
- rurban 4y agoNever heard of the EPR paradoxon? Even got the physics nobel lately. A normal entanglement paradoxon.