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As the smoke cleared, Horace Heffner <hheff...@mtaonline.net> mounted the barricade and roared out: >> As we all know ice is slippery because of melting from pressure and >> friction. >> Right? Not really... >> Harry >> >> http://www.exploratorium.edu/hockey/ice2.html >> >> Slippery All the Time > > > The slippery at all temperatures notion doesn't agree with practical > experience driving on ice. Here icy roads (or lake or river surfaces) > are very slippery near freezing, and have a firm grip down near -40 > degrees F. This is probably due to hoar frost adhering and acting like a > mounted abrasive - making the ice surface similar to sand paper. The > experiments were probably done on very flat ice surfaces. It's always the struggle between the Ideal -- and the material reality of it all, isn't it..? - -- grok. - -- Build the North America-wide General Strike. TODO el poder a los consejos y las comunas. TOUT le pouvoir aux conseils et communes. ALL power to the councils and communes. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkoQNaUACgkQXo3EtEYbt3Er8ACgnMmupdux72AS2vQFk3C75o+A tg0AoI30L7lVN+IHQ0f9RjmDsmiLATzz =eyLz -----END PGP SIGNATURE-----
