berkeman's latest activity
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berkeman reacted to phinds's post in the thread Why do we spend so little time learning grammar in college? with
Like.
@sevensages I have read this thread with some amusement. I am a grammar Nazi, and as some on this forum know, I often correct people's... -
berkeman reacted to sevensages's post in the thread Why do we spend so little time learning grammar in college? with
Skeptical.
The universities cannot reject everyone and stay in business. The universities need students that are paying tuition to stay in... -
I am currently writing a book linking quantum mechanics to the origins of Life. My background includes a physics degree from UC Berkeley...
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@Lord Jestocost has been awarded the Science Advisor badge!
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berkeman reacted to Averagesupernova's post in the thread B Analog power supply output question with Like.
Hmmm. So a bit of quick math without a schematic. Suppose you want to supply 5 volts out at 30 amps. That's within the spec right? That...
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berkeman reacted to Flyboy's post in the thread NASA Currently trying to build a rocket to launch into space with Like.
Yeah, that’s one of those things where you should reach out to an existing organization first and start working with them. It’s a great...
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berkeman reacted to DaveC426913's post in the thread Programming Jokes: Lame, Science & Math Jokes! with
Agree.
Just appeared on my feed. -
berkeman reacted to Bandersnatch's post in the thread B Red shifted tired light doubts with
Informative.
Wright's tutorial pages list issues with tired light. https://www.astro.ucla.edu/~wright/tiredlit.htm It's good to keep those in mind as... -
It's not enough to think something, you have to show that what you think matches the data. When Einstein developed the General Theory...
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berkeman replied to the thread I Self Energy?.What was a joke? And why are you trying to make obscure jokes in a technical discussion thread?
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berkeman replied to the thread NASA Currently trying to build a rocket to launch into space.OP is in the UK, so it looks like their equivalent of the FAA is the Civil Aviation Authority: https://www.caa.co.uk/
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berkeman reacted to phyzguy's post in the thread NASA Currently trying to build a rocket to launch into space with Like.
If you're going to launch a rocket to even 10 km, you're potentially going to cross paths of commercial aircraft. I suspect that the...
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berkeman reacted to Astronuc's post in the thread I Time rondeau crystals, experimental observations with Like.
A relative asked me about the following article: Experimental observation of a time rondeau crystal...
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berkeman reacted to Astronuc's post in the thread A Does direct/indirect band gap occur in solids other than semiconductors? with Informative.
One could have searched on "direct/indirect band gaps in metals, insulators, dielectrics, . . . . " When I searched on "direct/indirect...
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berkeman reacted to boneh3ad's post in the thread Can someone please recommend basic reading on wind tunnels? with
Haha.
The bible for wind tunnel design: https://www.wiley.com/en-us/Low-Speed+Wind+Tunnel+Testing,+3rd+Edition-p-9780471557746 An extremely...