General Discussion Forum

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Join the fun discussing casual topics sometimes outside the realm of science and technology. Maybe about books, movies, cooking, or general thoughts and commentary. This is a relaxing forum to unwind from the technical topics.

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  • Sticky
Buy Amazon and Support PF Using This Link
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  • Sticky
Guidelines for speculative and political topics
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Looking for movies where mathematics actually matters
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  • Poll Poll
Will anyone alive today see a permanent colony on the Moon or Mars?
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Is A.I. more than the sum of its parts?
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Speaking of Lorentz-Fitzgerald Contraction...
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333
AI vs. Humans as Processors in an Environment
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Anyone see “Time After Time?”
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232
Do you 'see' the CMB map as a 3D glass sphere/ellipsoid?
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228
Philomena Cunk Interviews Brian Cox
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Any advice for learning how to spot legitimate physics from kooks?
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3
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371
Electric Vehicle Fires on Ships
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3
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301
Anyone a watch collector?
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1
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344
A homemade mechanics problem: A beetle on a globe
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2
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2K
Anyone like “2001: A Space Odyssey?”
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13
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826
Books on the philosophy of math
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5
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632
Good forums for physics beginners?
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9
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614
RIP Carl H Brans (1935 - 2026), general relativity
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1
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753
Housecat Reproduction
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2
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35
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3K
Study: Social media probably can’t be fixed
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2
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A short proof of the Poincare Lemma
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491
On Liouville's formula
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1
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579
Rigorous Elementary Functions
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3
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808
April Fool's Physics Papers 2026
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3
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Any "chess.com" users here who can answer a simple question?
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910
Just a kinematics problem from a Russian physics olympiad
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629
RIP Dave Mason (79), May 10, 1946 - April 19, 2026
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0
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654
"A good big man will beat a good little man" (boxing)
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2
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3K
Point of particular Doonesbury strip?
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2
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37
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2K
Why are all NFL lineman tall?
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17
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How Far is Due East From Due West on Earth?
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16
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Stirring Coffee Effectively
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RIP Andrzej Trautman (1933 - 2026), relativity and gravitational waves
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4
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Fast Food Discussion: Mexican Pizza at Taco Bell
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11
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Anthony Leggett obituary
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2
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909
What should sit beside a physics equation?
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5
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888
Some Parents take their kiddo to the beach while others take their kitty to the beach
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3
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RIP Anthony J Leggett (1938 - 2026), superfluidity
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3
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Advice on visiting CERN?
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14
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Erdos, the Hungarians And other scientists of the era
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25
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RIP Actor Robert Duvall (95, January 5, 1931 - February 15, 2026)
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Mathematical definition of a rigid body
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Missing-links-in-galaxy-evolution
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2
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866
Grade Inflation at Harvard
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5
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I still have mine; do you still have yours?
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9
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I've been reused but not credited
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14
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RIP Carl Grillmair, Caltech Astrophysicist (67)
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1
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838
News BITCOIN, Heists, Thefts, Hacks, Scams, and Losses
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75K
Another nice problem from Savchenko
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7
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RIP Herman Lamonte McLemore (1935 – 2026)
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2
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863
Sick nonholonomic problem
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3
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RIP, Charlie Munger (99), Warren Buffet's partner
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1
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On the Moore–Penrose inverse from a banal linear algebra viewpoint
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980
What the heck is that thing?
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Is mathematics invented or discovered?
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3
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5K
A mechanical problem with complicated geometry
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6
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2K
RIP Scott Adams
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2
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965
Why is it not allowed to question General Relativity?
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19
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What is the fourth dimensional equivalent of volume?
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5
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Tusi couple
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Control type problem from mechanics
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2
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Open Access Scientific Publications
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NASA Shutdown
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Movies you'd forgotten were really cool?
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5
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1K
Happy Thanksgiving - YouTube Video
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2
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"The Federal Reserve is raising interest rates to reduce inflation"
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3
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Legal AI Shenanigans
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1
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1K
What is this Facebook formatting trend?
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10
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Anybody following (or followed) Jack Ryan (2018)?
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3
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  • Poll Poll
A three month long summer vacation from public school seems stupid
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How the Blue Angels Train
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6
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The Case of Andrew D. - out
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A Crisis in France -- Bottled water may not be what it's advertised to be
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ChatGPT Facilitating Insanity
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News JWST may be shut down by DOGE
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Anyone been to a Savannah Bananas Baseball Game?
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In defense of the philosophy of physics
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Body Language: Head posture
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Osaka Expo 2025
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Tram rail pressed to the limit today...
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11
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What Are You Watching Lately? (Rants/Raves/Reviews)
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Hearing Woody in Tom Hanks Movies
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German court convicts 4 ex-Volkswagen managers of fraud
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I love Poland
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Just for fun (Earth Sciences)
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Getting started in photography
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What is special about TikTok?
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For anyone who remembers Batty Books
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Where to post a short ‘all phenomena as transformations’ idea
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4
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MH370, On-again, off-again search
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Movie Recommendation for Students
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To use or NOT to use ChatGPT that is the Question Lawsuit
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5
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Pacific Palisades Fire Threatening Santa Monica, California
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News The US Digital Service, aka DOGE
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Arxiv, ResearchGate : Would academic ethics require citing from them?
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Adulting 101 (in Siberia)
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Trivia, what make and model car is parked in front of the enterprise?
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4
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R.I.P Teri Garr
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Fun Facts
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13
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Would you pay $6.2 million for a banana?
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25
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Found a nice YouTube channel
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Are true geniuses extinct?
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3
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