Recent content by anorlunda

  1. anorlunda

    Strict forum rules vs learning science

    I like the way our member @phinds put it. He said that thinking out of the box is admirable, but first you must learn what is in the box. PF's mission is squarely behind helping people learn what is in the box. That is not the same thing as pushing the advancement of science. It is more...
  2. anorlunda

    What Were the Early Days of PF Like for Members in the Twenty-Year+ Club?

    Who remembers downloading pictures of pretty girls in ASCII HEX dump format, then using a local utility (???) to turn it into a picture?
  3. anorlunda

    ChatGPT Examples, Good and Bad

    Yet the examples linked show that it does very well on understanding natural language, so I presume that it shares that ability with ChatGPT.
  4. anorlunda

    ChatGPT Examples, Good and Bad

    I got in with a "free trial". But access to that may be limited by country. But it would be nice to know what "based on GPT-3" really means. Did they feed the github code as training material for the neural net, or are they using the natural language features of GPT-3 to understand what...
  5. anorlunda

    LaTeX Copying a symbol from latexhelp is extremly annoying

    Oh. Thanks Greg. I never knew you could do "show math as".
  6. anorlunda

    ChatGPT Examples, Good and Bad

    I got in trouble the other day making some perhaps hasty recommendations on PF that people should try ChatGPT for programming advice. I could have done it better. In particular, I could have suggested the OpenAI code completion AI, rather than GhatGPT. In particular...
  7. anorlunda

    What Were the Early Days of PF Like for Members in the Twenty-Year+ Club?

    It was both. Several brands of electric typewriters were adapted to be driven by computers. Often, they retained the ability to use via the keyboard as well as via the computer port.
  8. anorlunda

    Easy Physics Calculations with C++: Making it Cross-Platform

    I guess I put my foot into it on that. Sorry.
  9. anorlunda

    I What Could Cause the Earth's Rotation to Dramatically Slow Down?

    That's a good example. Yes it did slow the Earth's rotation. At the same time, it made the radius of the Moon's orbit increase. So we had an exchange of momentum and energy, not a dissapearence.
  10. anorlunda

    I What Could Cause the Earth's Rotation to Dramatically Slow Down?

    Think in terms of angular momentum and rotational kinetic energy. In order to stop a rotating body, the energy and momentum must go somewhere else. What somewhere else can you suggest for the Earth stopping, other than a collision with another object?
  11. anorlunda

    What Were the Early Days of PF Like for Members in the Twenty-Year+ Club?

    Wait! Those things exist as commercial products.
  12. anorlunda

    I A donut electromagnetic core comprises main section + movable section

    I'm having trouble figuring out the question in this thread. @cairoliu, can you restate the question from scratch? That sounds reminiscent of a reluctance motor.
  13. anorlunda

    Electrical Perpetual Countdown Clock Project

    No, LOL. I guess you're not a boater. A semaphore signaler.
  14. anorlunda

    Electrical Perpetual Countdown Clock Project

    There's only one answer for that group. When the countdown reaches zero, show this.
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