berkeman's latest activity
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Man's Girlfriend Put His Backpack in What She Thought Was the Trunk of a C8 Corvette. The Hot Engine Nearly Caught Fire! The backpack... -
berkeman reacted to kuruman's post in the thread Undergrad Are the basic axioms of thermodynamics demonstrated experimentally? with
Informative.
Here is a simple and convincing convection demonstration. I used to do something similar and even simpler when I taught. I placed a... -
berkeman reacted to Baluncore's post in the thread High School Why would sailboat racers prefer a full keel over a fin keel? with Informative.
The full keel prevents quick changes in direction when the rudder is moved, and forces the boat to travel closer to the line of the...
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berkeman replied to the thread Independent Researcher.Welcome to PF. :smile:
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berkeman reacted to sbrothy's post in the thread Very cool factory production line photos with
Like.
The metal plant one is breathtaking! EDIT: It's like one of those things that makes you proud of belonging to the human race. -
berkeman replied to the thread High School Equine Physics -- When a horse gets stuck going up a steep slope.I only have limited experience riding horses (especially riding them fast or on steep slopes), but in motocross and dirtbike riding, in...
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berkeman replied to the thread High School Why would sailboat racers prefer a full keel over a fin keel?.Could you post some pictures or links or something about those 2 kinds of keels? Thanks.
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berkeman reacted to Lnewqban's post in the thread High School Equine Physics -- When a horse gets stuck going up a steep slope with
Wow.
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berkeman reacted to jedishrfu's post in the thread Agentic-AI/LLM 'misbehavior' or 'going rogue' with
Haha.
I can just see the time when the agent manages your work computer sees an April Fools joke and proceeds to reorganize and delete... -
berkeman reacted to Astronuc's post in the thread Agentic-AI/LLM 'misbehavior' or 'going rogue' with Wow.
Large Language Models (LLMs) are passive, text-based engines that respond to prompts, whereas Agentic AI systems are autonomous and use...
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Popes and cardinals must be natural enemies. Whenever the pope population in the Vatican decreases, the cardinal population skyrockets...
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berkeman replied to the thread How does my refrigerator with no refrigerant work?.Which model? https://www.koolatron.com/
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berkeman replied to the thread Undergrad Our Mathematical Universe book -- Since when does light contain voltage?.Another way that EM radiation is used to influence electrons is in the Free Electron Laser...
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berkeman replied to the thread Undergrad Our Mathematical Universe book -- Since when does light contain voltage?.Not so much "travel on", more like "are influenced by". For the electrons in the metal of an antenna, the EM wave that passes the...
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berkeman replied to the thread Undergrad Sound waves on the Sun.So for sine waves to build while cycling around something, they need to be in-phase. A sine wave is 360 degrees total in length, or...
