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  • mathman's Avatar
    October 25th, 2021, 07:04 PM
    mathman replied to a thread Special Rel. Doubt in Physics
    The main point of the author was the development of E=mc^2. Before 1905 there were papers with E=3/4mc^2. The author described them in detail and...
    2 replies | 78 view(s)
  • tk421's Avatar
    October 25th, 2021, 04:20 PM
    tk421 replied to a thread Special Rel. Doubt in Physics
    I don't subscribe to the magazine, and there doesn't seem to be much of substance in front of the paywall. Could you perhaps provide a summary of his...
    2 replies | 78 view(s)
  • keeseguy's Avatar
    October 25th, 2021, 02:28 PM
    That among many others, there is so much more to come!
    2 replies | 235 view(s)
  • Double Helix's Avatar
    October 25th, 2021, 10:59 AM
    Double Helix replied to a thread Cop26 in Environmental Issues
    There are a lot of Americans going to COP26. Many of that "thousand" are likely from Congress, NGOs, etc., trying to have a say (many behind closed...
    10 replies | 138 view(s)
  • zinjanthropos's Avatar
    October 25th, 2021, 10:00 AM
    If quantum computers sit in rooms at or near zero Kelvin then does that tell us anything about the early universe or time before BB? Qubits can...
    0 replies | 36 view(s)
  • zinjanthropos's Avatar
    October 25th, 2021, 09:30 AM
    zinjanthropos replied to a thread Cop26 in Environmental Issues
    We're just a bloat of hippos. Ever seen one of their pools? It's downright awful. Can't imagine what some rivers, lakes and pools might have looked...
    10 replies | 138 view(s)
  • ox's Avatar
    October 25th, 2021, 05:35 AM
    ox replied to a thread Cop26 in Environmental Issues
    When irresponsible farming is compounded by climate change on Britain's most beautiful river. ...
    10 replies | 138 view(s)
  • ox's Avatar
    October 25th, 2021, 05:27 AM
    ox replied to a thread Cop26 in Environmental Issues
    Let's hear it for Vlad. He might virtually attend, but only because of the pandemic. https://www.bbc.co.uk/news/world-europe-58977993
    10 replies | 138 view(s)
  • zinjanthropos's Avatar
    October 25th, 2021, 05:18 AM
    zinjanthropos replied to a thread Cop26 in Environmental Issues
    Why travel at all? Don’t we have the technology to do this from home? Would using cyberspace for such a meeting leave a bigger carbon footprint than...
    10 replies | 138 view(s)
  • exchemist's Avatar
    October 25th, 2021, 03:22 AM
    exchemist replied to a thread Cop26 in Environmental Issues
    The prize for that has to go to the US delegation. I read it comprises one thousand people! All descending on Glasgow, by plane. All accommodation in...
    10 replies | 138 view(s)
  • Paleoichneum's Avatar
    October 24th, 2021, 11:39 PM
    I would suggest looking at bonobos for you last questions . they are some of the closest primates to humans and highly sexually fluid. I also...
    5 replies | 134 view(s)
  • mathman's Avatar
    October 24th, 2021, 04:46 PM
    Bok is quite old. What has been reaction of scholars since?
    8 replies | 124 view(s)
  • mathman's Avatar
    October 24th, 2021, 04:36 PM
    mathman started a thread Special Rel. Doubt in Physics
    In the latest issue of American Scientist there is an article by Tony Rothman questioning ##E=mc^2##. Are the assertions made in the article valid? ...
    2 replies | 78 view(s)
  • Double Helix's Avatar
    October 24th, 2021, 01:02 PM
    Double Helix replied to a thread Cop26 in Environmental Issues
    Pevek, in eastern Siberia, is looking at increased shipping traffic in the summer when the ice melts.* And this is likely just for starters. ...
    10 replies | 138 view(s)
  • zinjanthropos's Avatar
    October 24th, 2021, 11:25 AM
    zinjanthropos replied to a thread Cop26 in Environmental Issues
    Doesn’t answer my question so I’ll assume Boris had company. I hear little Greta now travels by boat. Our elected politicians are just as bad....
    10 replies | 138 view(s)
  • ox's Avatar
    October 24th, 2021, 10:48 AM
    ox replied to a thread Cop26 in Environmental Issues
    While I never expect politicians to set an example, he could have travelled by more environmentally friendly means. Another Tory politician whose...
    10 replies | 138 view(s)
  • zinjanthropos's Avatar
    October 24th, 2021, 10:24 AM
    zinjanthropos replied to a thread Cop26 in Environmental Issues
    How many in his entourage? I may be wrong but even if you discount the pilots/attendant(s), wouldn’t you have to divide the 21 tons of CO2 by number...
    10 replies | 138 view(s)
  • Stanley514's Avatar
    October 24th, 2021, 08:52 AM
    Stanley514 replied to a thread Acquiered homosexuality in Biology
    There are different surveys which claim different results. What percentage of the U.S. population is gay, lesbian or bisexual? - The Washington...
    5 replies | 134 view(s)
  • ox's Avatar
    October 24th, 2021, 08:00 AM
    ox started a thread Cop26 in Environmental Issues
    Or just another cop out? With a few days to go Boris is in fine form. ...
    10 replies | 138 view(s)
  • ox's Avatar
    October 24th, 2021, 07:34 AM
    Most likely Hindu ideas about gods were spread along trading routes and Hebrew texts were influenced. Bible Myths by Thomas Doane is a good but...
    8 replies | 124 view(s)
  • Orion68's Avatar
    October 24th, 2021, 05:37 AM
    Orion68 replied to a thread Hello in Introductions
    Why don't I?
    2 replies | 95 view(s)
  • exchemist's Avatar
    October 23rd, 2021, 04:00 PM
    It does. But I was trying to give him enough rope to hang himself.:mrgreen:
    8 replies | 112 view(s)
  • exchemist's Avatar
    October 23rd, 2021, 03:58 PM
    exchemist replied to a thread Acquiered homosexuality in Biology
    Well then you're out of touch. I can tell you from personal experience of the attitudes at my son's school, that the new generation is far more...
    5 replies | 134 view(s)
  • mathman's Avatar
    October 23rd, 2021, 03:33 PM
    Where did the idea that Hindu religion was the forerunner of ancient Hebrew religion. Much more likely were the Accadian or Egyptian ideas.
    8 replies | 124 view(s)
  • Stanley514's Avatar
    October 23rd, 2021, 01:11 PM
    Could someone predict properties of Aluminum-Bromine battery such as energy density and number of cycles it could be recharged.
    0 replies | 73 view(s)
  • Stanley514's Avatar
    October 23rd, 2021, 12:40 PM
    Stanley514 replied to a thread Acquiered homosexuality in Biology
    Are you ready to believe that 8.1% of population are inborn homosexuals/bisexuals and they just were hiding during the last decades and centuries?...
    5 replies | 134 view(s)
  • zinjanthropos's Avatar
    October 23rd, 2021, 12:02 PM
    I guess the scribes and those who interpret/translate Hebrew were not gender neutral or non-binary. How long before Abrahamic religion edits their...
    8 replies | 124 view(s)
  • exchemist's Avatar
    October 23rd, 2021, 09:21 AM
    exchemist replied to a thread Acquiered homosexuality in Biology
    "Gender-bending" substances, more properly endocrine disruptors or oestrogen mimics, have been known about for decades and some are now fairly...
    5 replies | 134 view(s)
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