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On 1/10/25 01:41, john larkin wrote:On Thu, 9 Jan 2025 23:54:46 +0100, Jeroen Belleman>
<jeroen@nospam.please> wrote:
On 1/9/25 19:48, john larkin wrote:On Wed, 8 Jan 2025 17:42:39 -0000 (UTC), "Don" <g@crcomp.net> wrote:>
>john larkin wrote:>>>
https://www.inc.com/jessica-stillman/einstein-and-adam-grant-agree-the-puzzle-principle-will-make-you-instantly-smarter/91102339
>
Cohen's book looks interesting, so I ordered it.
>
I'm now reading Gleick's short biography of Isaac Newton, who was a
very weird guy.
Einstein loved the sound of his own metaphysical bark and wasn't above
fudging the score:
>
<https://pubs.aip.org/physicstoday/article/58/9/43/399405/Einstein-Versus-the-Physical-Review-A-great>
>
Regardless, my followup isn't about this thread's titular Einstein.
It's about Newton.
>
"Did you know? It was AYABHATA & not Newton or (sic) Leibniz who
first developed Calculus"
>
<https://x.com/Aelthemplaer/status/1874573331330167032>
>
Danke,
Seems to me that if gravity has finite velocity, there have to be
gravitational waves.
>
Yes, and if there are gravitational waves, there must be quantization
effects. Where waves and matter interact, quantization occurs. The
scale of the phenomena, both in time and in size, may make it hard
to recognize it as such though.
>
That said, there are plenty of examples of quantization effects in
the behaviour of objects in our solar system. Orbital resonances,
tidal locking, Trojans, what else?.
But quantized?
Well, yes! That's what orbital resonance is. It tends to make
moons orbit with periods related by simple rational numbers.
Their energy is then constrained to discrete levels. If that
isn't quantization, then what is?
>>>
Come to think of it, when a star gets ejected at high speed from a
star cluster, as sometimes happens, isn't that in some way similar
to the decay of a radioactive atom?
>
Jeroen Belleman
Suppose there was some gigantic mass drifting around. Everything else
in the universe would feel its gravitational attraction. Now blow it
up, convert all its mass to energy. The sudden loss of mass creates a
bubble of not-gravity that expands at the speed of light and everybody
will notice (maybe hear a click?) when it hits them, the same time as
the flash does.
Since Al discovered E = MC^2, you'd think he would have thought about
that.
Energy and mass are equivalent, so the field would not just vanish.
I'll pass about the effects of converting a gigantic mass into energy.
>If something moves really fast, does it make a gravitational wake?>
Wouldn't that make it lose energy?
Yes and yes, as was recently confirmed by the detection of such waves.
>>
Moving things must lose energy. They wiggle other things as they pass. >
The g-field around us must be very noisy. Must sound cool.
Kind of hard to do. Ask the LIGO people, Except for some cataclysmic
events, the noise is really low frequency too, in the nHz domain and
below.
>
Jeroen Belleman
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