By Frank Potter; Christopher P Jargodzki
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Extra resources for Mad about modern physics : braintwisters, paradoxes and curiosities
Example text
Body Cushion A fall from a height of several stories onto pavement or even onto a lawn will produce serious injuries or even death. Yet we have seen the movie hero going over the edge of a roof holding another human body in position just beneath to cushion the fall on impact. Certainly, collision with this second body is better than direct collision with the ground. What do you think about the advantages here? 67. Cartoon Free Fall So many of us in our youth learned the laws of nature from cartoons.
One needs a square whose sides are the square root of 2. 414215 . . , an amazingly accurate value! , making them at least as old as the earliest Greek mathematics. The Greeks, however, had no positional notation system. Hence their approximations of the square roots were rather crude. —G EORGE G HEVERGHESE J OSEPH , T HE C REST OF THE P EACOCK : N ON -E UROPEAN R OOTS OF M ATHEMATICS Crazy Circles 27 4 Fly Me to the Moon W E LIVE IN A WORLD OBEYING THE RULES OF nature. But this natural world described by physics and the other sciences can be superseded and replaced by the imagination of the human mind.
One of the triplets the Babylonians found is the enormous 3,367:3,456:4,825. —D ICK T ERESI , L OST D ISCOVERIES : T HE A NCIENT R OOTS OF M ODERN S CIENCE — FROM THE B ABYLONIANS TO THE M AYA In the hallowed groves of the academe they whisper the tale of a physicist who spent the first half of his life trying to become famous, at which he failed; then spent the second half of his life trying to convince himself it wasn’t important to be famous, at which he also failed. 20 On a plane the shortest distance between two points is a straight line.
