bob012345's latest activity
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bob012345 replied to the thread B More similar triangle problems.The way to determine ##(a,b)## uniquely is to pick an angle ##\phi##. Then we have ##b=2tan(\phi)## and ##a=4/tan(\phi)##. As ##\phi##... -
bob012345 reacted to jedishrfu's post in the thread Seeking Information on a WW II Era Westinghouse Gyro with
Like.
Some museums specialize in WW2 stuff, like the Pacific War Museum in Fredericksburg Tx. https://www.pacificwarmuseum.org/ New York... -
bob012345 replied to the thread Seeking Information on a WW II Era Westinghouse Gyro.We wish to find the actual design to replicate it accurately.
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bob012345 replied to the thread Engineering Disasters.Brand new bridge collapses in China; https://www.nbcnews.com/world/asia/nearly-2500-foot-long-bridge-collapses-china-rcna243388
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bob012345 replied to the thread Seeking Information on a WW II Era Westinghouse Gyro.Thanks. Do you have information on the power source?
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bob012345 reacted to Theo104's post in the thread Seeking Information on a WW II Era Westinghouse Gyro with Like.
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bob012345 reacted to Theo104's post in the thread Seeking Information on a WW II Era Westinghouse Gyro with Like.
Hi All: I think you are talking about the same gyroscope that is in my possesion. I think it was used in an aircraft.
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bob012345 replied to the thread NASA ISS in Real Time, exploring 25 years onboard the station.Too bad they are planning on crashing it into the ocean in the not too distant future. Seems like such a waste.
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I was under the impression that this post: The Secrets of Prof. Verschure's Rosetta Stones was the geekiest thread on the site but this...
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bob012345 replied to the thread Predictions for the Nobel Prize in Physics 2025 (results: John Clarke, Michel H. Devoret and John M. Martinis).Ever solve a problem so well you feel like you deserve a prize? At least that’s what I got from it.
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bob012345 reacted to haushofer's post in the thread B Need help understanding particle physics and quantum physics with Like.
It's turtles all the way down.
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bob012345 reacted to BillTre's post in the thread Predictions for the Nobel Prize in Physics 2025 (results: John Clarke, Michel H. Devoret and John M. Martinis) with Like.
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bob012345 reacted to PeterDonis's post in the thread B Need help understanding particle physics and quantum physics with Like.
You seem to think that being a "fundamental particle" is somehow different from being a quantum field. It isn't. The only theoretical...
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bob012345 reacted to PeterDonis's post in the thread B Need help understanding particle physics and quantum physics with Like.
None. The electron is a fundamental particle in our best current theoretical models. (But "particle" is just shorthand for "quantum...
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bob012345 replied to the thread B Need help understanding particle physics and quantum physics.Ok, thanks.