Tools for Evolving Civilization On computers, teaching, games, Civilization, science fiction, history, market research, maps, current affairs, popular culture and media, and anything else that's going on in my life - except politics, sex and maybe religion . email me
The speed of gravity has been measured for the first time. The landmark experiment shows that it travels at the speed of light, meaning that Einstein's general theory of relativity has passed another test with flying colours.
Smart and Dumb and Forgetful and Fun and Amusing. I am a poor editor although I seem to do that a lot. I have hair between my toes stolen from the top of my head. I am hard of hearing. I wonder how much more than half-crazy I am.