Three videos:
Thanks to Stacy for the tip on the first of the three. The next two were sort of obvious after that...
More like this
“I soon became convinced… that all the theorizing would be empty brain exercise and therefore a waste of time unless one first ascertained what the population of the universe really consi
Each year, 12 of the nation's top scientists and engineers are awarded with the nation's highest honors, A
Thanks for the link! :-) -- Aren't the videos awesome?!! I can even understand them !
Good videos. Well explained without talking down to the viewer.
I'm sending this along to some interested parties.
Anne G