berkeman's latest activity
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berkeman replied to the thread Basic skills that kids are lacking.From your Profile/About page: :oops: -
berkeman replied to the thread High School Reducing loss of energy for Lasers.@Josiah -- Please take care not to try to reopen a closed thread. Your previous thread on this question was closed because you veered...
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I always wanted to learn how to read, but I've only ever seen it in books... :oldbiggrin: I write checks every month: water bill...
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My older sister whom I am now taking care of.
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berkeman reacted to Astronuc's post in the thread M 7.5 Earthquake - 28 km SE of Yumare, Venezuela with
Like.
There are usually foreshocks, but often not nearly as severe. Here what is rare is the occurrence of magnitude 7.2 then 7.5 in close... -
berkeman reacted to yantrigo's post in the thread Introduction about myself as a new member of physicsforums with Like.
Hello there, I'm a college student. My interests are deeply rooted in physics, maths, & robotics. My hobby is tinkering with machines...
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I have seen maintenance failures where the equipment vendor document said "clockwise," meaning "clockwise from above" whereas the tech...
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Well - oh my stars & garters! I'm published! (Five maritime-themed short stories of fantastical fiction set in the deep past, present...
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berkeman replied to the thread Collection of Lame Jokes.
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berkeman reacted to anuttarasammyak's post in the thread An intuition I had about infinite numbers -- Is it valid? with
Informative.
Yes. For an example, let p, q, r be prime numbers. There are infinite number of prime numbers. Infinite number of sets... -
berkeman replied to the thread Basic skills that kids are lacking.Question from the Mentors to the Advisor's Lounge folks: Should this thread be moved to GD? Is there a need to keep it private in the...
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berkeman replied to the thread Realta Fusion claims electrical generation from plasma!.Huh, I think you're right. So they just created a plasma pulsing between their mirrors and then pulled energy back out of the pulses...
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berkeman reacted to jedishrfu's post in the thread High School Having trouble understanding the incompleteness theorem with Informative.
Basically, Gödel figured out how to assign a unique number to every expression and proof in a formal logical system. That allowed him to...
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berkeman reacted to Muu9's post in the thread Physics Considering transitioning to physics, any advice? with Informative.
Try speaking with faculty at your institution working in computational physics/chem/bio or applying ML to physical/chemical/biological...
