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also OP depending on how down to the nitty gritty you wanna get the answer is always just going to end up being "that's just what we observe  "
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Sep 9, 2016 05:11
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GRILLARY CLINTON posted:I'm not sure exactly what you mean, but I was referring specifically to the fact that electric charge (which, yes, is one of many types of charge of which we know) may be positive or negative, while gravitational mass (which is the only kind of mass we know about, by the equivalence principle) is only positive. you're right baout electric charge, but there's also color charge of quarks which has three flavors but follows the same same-opposites rule, and we also know about antimass but it's unconfirmed(?) at this point if it is repelled or attracted by massive gravitational fields yet
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Sep 9, 2016 05:12
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right, there are three color charge carried by quarks and gluons and three electroweak charges that get broken down to a single EM charge at low energies. i don't know what you mean by antimass, but we don't currently know of any particles with negative mass (and such a thing is prohibited from appearing in a relativistic quantum field theory by causality). there are antiparticles/antimatter, but they all have positive mass and there are no (classical) open questions about how they interact with gravity
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Sep 9, 2016 05:17
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Opposites attract and that's tragic Cuz I'm drawn to bitch OPs like a magnet
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Sep 9, 2016 05:19
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GRILLARY CLINTON posted:right, there are three color charge carried by quarks and gluons and three electroweak charges that get broken down to a single EM charge at low energies. i'm saying that the sense of antimatter acceleration in a gravitational field is actually still as of yet unknown, or unconfirmed, even if it is suspected it has the same sense as regular matter
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Sep 9, 2016 05:20
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It's like how a drug crazed serial rapist and an innocent unsuspecting sexy victim just kind of magically connect right?
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Sep 9, 2016 05:30
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The Protagonist posted:i'm saying that the sense of antimatter acceleration in a gravitational field is actually still as of yet unknown, or unconfirmed, even if it is suspected it has the same sense as regular matter i guess that is true in the sense that there is no smoking gun experiment that shows that antiparticles couple to gravity the same way as "regular" particles, but theory and a lot of circumstantial evidence says they do. you would be hard-pressed to find a physicist who would say it's a totally open question and not just a matter of dotting a couple "i"s.
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Sep 9, 2016 05:31
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is op neg or poz
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Sep 9, 2016 05:41
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GRILLARY CLINTON posted:but theory and a lot of circumstantial evidence says they do. i'm legit interested in what literature there is on this because i'd taken it for granted antimatter falls down until i encountered a physicist who corrected me in that it was unknown.
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Sep 9, 2016 05:45
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The Sphinxster posted:Why would they lose mass? Momentum changes when they move. They'd lose mass because, hypothetically, they were converting some of it into propulsive energy. Obviously they don't but why they don't was one of the questions.
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Sep 9, 2016 11:39
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loving magnets, how do they work?
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Sep 9, 2016 12:29
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Dirk Squarejaw posted:loving magnets, how do they work? Original thread title. But then I realized the real question was why do they work.
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Sep 9, 2016 12:40
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I too am a stray tomcat and have a thing for 80s chicks. I'm not quite clear on how these two things are opposites tho.
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Sep 9, 2016 12:42
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The Protagonist posted:i'm legit interested in what literature there is on this because i'd taken it for granted antimatter falls down until i encountered a physicist who corrected me in that it was unknown. i'd say the two most important bits of indirect evidence are
granted, we don't have a quantum theory of gravity, we don't understand why there's more matter than antimatter in the universe, and we don't know how to account for all the dark matter and dark energy in the universe, so there's a lot about gravity and mass we don't know. it could turn out that we need a radically different theory where antimatter "falls up" to explain all this. i'm open to that, but think it's unlikely.
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Sep 9, 2016 15:35
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My theory is that there is an equal amount of matter and antimatter in the universe, but the antimatter was all blown backwards in time at the instant of the big bang. Normal matter traveling backwards through time is indistinguishable from anti-matter.
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Sep 9, 2016 15:41
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ClamdestineBoyster is really good at technobabble.Applewhite posted:They'd lose mass because, hypothetically, they were converting some of it into propulsive energy. Obviously they don't but why they don't was one of the questions. Mass isn't the only way to store energy. Charged particles store it in the electric field.
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Sep 9, 2016 15:55
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Also the real answer is electrons and protons attract by shooting lasers at each other http://physics.stackexchange.com/questions/57874/do-protons-exchange-photons-with-electrons
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Sep 9, 2016 15:58
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That's a fundamental question of the universe Mr apple , right up there with why does gravity do what it do and how do magnets actually work
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Sep 9, 2016 16:03
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Applewhite posted:My theory is that there is an equal amount of matter and antimatter in the universe, but the antimatter was all blown backwards in time at the instant of the big bang. Normal matter traveling backwards through time is indistinguishable from anti-matter. *nods thoughtfully* But how will this help me in having sex with Paula Abdul?
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Sep 9, 2016 16:09
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Because gender is real and is in fact a fundamental force in the cosmos, op
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Sep 9, 2016 17:31
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GRILLARY CLINTON posted:i'd say the two most important bits of indirect evidence are There isn't actually anti-matter though. When they do those particle collisions they are knocking the electron cloud out of place so fast that the proton can't catch up. It's a broken electrical circuit then so the proton seeks ground, expending all of its angular momentum that is stored like a spring in its atom state. Since a little speck of noire is created by the particle collision, that little black hole is the most conductive groundpath relative to the proton, so you essentially have a little curved laser beam orbiting a speck of noire (heat expanding into cold) and it's angular momentum is expended in a short period of time, which we can see as it emits light or radio frequency as its inertia evaporates. So it's not a subatomic particle  , it's light, and light as it behaves after it crosses the threshold of absolute zero temperature. It can curl clockwise or counter-clockwise and there is no way of predicting which way it will go.
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Sep 9, 2016 18:00
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