Astronuc — A PF Singularity on Physics Forums. 22,657 contributions to physics, math and engineering discussions since 2004.
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Practical engineering - a great video on railroad track (rails, ties and ballast) with emphasis on the rails - jointed vs continuous(ly) welded rail, the latter being standard on mainlines.
Since Russia now considers these territories its own, it also views its residents as Russians and has ordered the men to enlist to fight on the Kremlin’s side. Growing numbers of men between the ages of 18 and 35 are trying to escape to areas controlled by Kyiv.
https://www.msn.com/en-us/news/worl...-as-it-approaches-city-of-kherson/ar-AA12CloH
“Putin is not fighting against Ukraine or even against NATO. He's fighting against reality,” a former Putin speechwriter, Abbas Gallyamov wrote.
https://news.yahoo.com/putin-ukraine-kremlin-speech-west-195603211.html
4 Oct - NY Times - Russia's Small Nuclear Arms: A Risky Option for Putin and Ukraine Alike
https://www.yahoo.com/news/russias-small-nuclear-arms-risky-115633238.html
Opponents would have to respond in kind.
https://www.msn.com/en-us/news/worl...aders-as-battlefield-losses-mount/ar-AA12xY0H
Great Books of the Western World
https://en.wikipedia.org/wiki/Great_Books_of_the_Western_World
https://en.wikipedia.org/wiki/Mortimer_J._Adler
For posterity and history
https://www.yahoo.com/news/mobilisation-russia-russian-orthodox-patriarch-113907193.html
https://apnews.com/hub/russia-ukraine
https://www.yahoo.com/news/time-come-top-putin-official-201022301.html
https://www.yahoo.com/news/russia-partners-china-india-expressing-004632510.html
https://apnews.com/article/russia-ukraine-moscow-referendums-dad270d8dccf8873ba7fe7758c387933
Note to myself - there are 2.7 x 1019 molecules in every cubic centimeter of air.
https://personal.ems.psu.edu/~bannon/moledyn.html
thanks
old jim -
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