How inertia and gravity work on the space shuttle: Gravity tries to pull the space shuttle towards the earth, the shuttle moves forward in a straight line because of inertia.. I am going to describe this process with the following example: Imagine a little league baseball player hitting a home run. The ball flies out [...]
Aspirin…………………………Felix Hoffman……………………….1899 Battery…………………………Alexander Volta……………………..1799 Cereal………………………….John Will Kellogg……………………1894 Coca Cola……………………..John Pemberton…………………….1886 Computer (principles of)………Charles Babbage………………1834 Dynamite………………………Alfred Nobel………………………….1866 Fahrenheit Temperature Scale…Gabriel Fahrenheit………..1720 Flush Toilet……………………Sir John Harrington………………1589 Graphite Pencil………………..Conrad Gesner…………………….1565 Laser……………………………Charles Townes……………………..1958 Lawnmower……………………Edwin Beard Budding………….1830 Potato Chip…………………….George Crum………………………1853 Radio…………………………..Marconi………………………………..1895 Razor (shaving)………………..King Gillette………………………1901 Sandwiches……………………The Earl of Sandwich……………1762 Video Games…………………..Noland Bushnell…………………1972 Zipper………………………….Whitcomb Judson………………….1891
Did you know that in my teachings with students and workshops for teachers I find that students and adults answer many of the same science questions wrong? I see this year after year when I discuss certain subjects with my students. In fact, before I wrote the first of my two books, my idea was [...]