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Physics Detective's latest activity
P
Physics Detective
replied to the thread
I am writing a SciFi story but I don't like Rayguns
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No. Like predators like meat. Fresh. Still warm if possible. Or better still, still alive. This is a very good reason for not using...
Sep 22, 2025
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Physics Detective
replied to the thread
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Star like object travels in a zigzagging pattern relative to other stars
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I've seen what appeared to be satellites making abrupt right-angle turns. On one particular occasion there were two of them, one...
Sep 21, 2025
P
Physics Detective
replied to the thread
I am writing a SciFi story but I don't like Rayguns
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@SleipnirTheHorse : how about because they like meat.
Sep 19, 2025
P
Physics Detective
replied to the thread
B
Is a table levitating possible, even at a minuscule probability?
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I think you can be sure of the distinction between genuinely possible things, and speculative things for which we have no evidence...
Sep 17, 2025
P
Physics Detective
replied to the thread
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Is a table levitating possible, even at a minuscule probability?
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We will have to agree to differ on that.
Sep 17, 2025
P
Physics Detective
replied to the thread
I am writing a SciFi story but I don't like Rayguns
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How about a gamma railgun?
Sep 17, 2025
P
Physics Detective
replied to the thread
I am writing a SciFi story but I don't like Rayguns
.
Make it a "gamma gun". A gun which emulates a gamma ray burst, and is powered by the 100% conversion of matter into energy. The amount...
Sep 17, 2025
P
Physics Detective
replied to the thread
B
Is a table levitating possible, even at a minuscule probability?
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Is a table levitating possible, even at a minuscule probability? No. Some of the examples above are associated with genuine...
Sep 17, 2025
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Physics Detective
replied to the thread
I
Gravitational self-interaction: another attempt to replace Dark Matter
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OK noted.
Sep 17, 2025
P
Physics Detective
replied to the thread
A
Twistors and celestial holography
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All points noted Mitchell. Yes I guess it would be a major thread derail. Apologies, I will leave it there.
Sep 17, 2025
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Physics Detective
replied to the thread
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Describing the Big Bang
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You will be aware of Newton's infinite universe. It's mentioned here and here. Gravity should have caused all the stars to "fall down in...
Sep 16, 2025
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Physics Detective
replied to the thread
A
Twistors and celestial holography
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Ouch. That paper is above my pay grade, Mitchell. I'm an amateur, an IT guy who's read a lot of old papers, not a mathematical...
Sep 16, 2025
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Physics Detective
replied to the thread
I
Describing the Big Bang
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I remember when people used to say "the universe was once the size of a grapefruit". Then after the WMAP results in 2006 I think, this...
Sep 16, 2025
P
Physics Detective
replied to the thread
I
Gravitational self-interaction: another attempt to replace Dark Matter
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Tim: at 38 pages, this is a big paper. Apologies, I've only looked at the abstract and the discussion, with my historian hat on. It...
Sep 16, 2025
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