Hornbein's latest activity
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HHornbein reacted to Bandersnatch's post in the thread Reality Check: Rogue Planet Flyby Scenarios and Survival Feasibility with
Like.
So, back of an envelope, that's approx. 250 times the tidal forces of the Moon, at its closest approach, which would rapidly decrease on... -
HHornbein replied to the thread Point of particular Doonesbury strip?.I would say it's not a joke. It was drama. The marines now sometimes serve as a landbased force. I remember the battle of Khe Sanh...
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HYou must not fight in the bar, but you may fight in the parking lot. You must leave the bar if you are prepared to fight, and you accept...
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HWith a little searching (not using AI, cough, cough), it looks like the reference may be to many bar fights involving Marines taking...
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HHornbein replied to the thread Point of particular Doonesbury strip?.My friend Bill Stapp was in the army in about 1950. They asked for fifteen volunteers for the Marines. Bill volunteered. That was it...
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HHornbein replied to the thread What Geiger Counter is best for this?.Pripyat. The home of Chernobyl.
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HHornbein replied to the thread Stargazing Astronomy: Orbit Terminology.Unlike the Earth, stars have unstable magnetic fields. Our sun swaps polarities every eleven years. I assume every star is similar.
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HHornbein replied to the thread Stirring Coffee Effectively.In Spain I was quite taken with off the shelf gazpacho that came in a carton. My relatives informed me that gazpacho should not be...
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HHornbein replied to the thread Extreme Engineering.Jet engines run at 1500 C but the turbine blades don't melt. Ninety years of engineering.
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HHornbein replied to the thread Extreme Engineering.Gadget madness. Too elaborate to summarize. Is it hyperLEGO?
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HAn extremely massive and unwieldy weapon. I knew about the WWI railroad artillery but for WWII Deutschland outdid itself. To bear the...
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HHornbein replied to the thread Undergrad Why ##a^0=1##?.Exponents are about multiplication, and 1 is the multiplicative identity. If exponents represented repeated addition the zeroeth power...
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HOr, more generally, ##a^{n+m}=a^na^m## implies ##a^0=1##, because otherwise ##a^{n+0}\neq a^n##.
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HHornbein replied to the thread ChatGPT Examples, Good and Bad.It's coming whether we like it or not. They're doing a pretty good job already so it might not make that much difference. It's...
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HHornbein replied to the thread A New Instrument Playing Bach.Here it is playing rock guitar. Much better than a keyboard with a pitch wheel.