Picture that swinging silver balls game that people sometimes have in their office (see picture). Only in this giant version, each of the guys is put into one of those giant human hamster wheels and then a crane pulls one end up and drops it and the dudes get jolted around.
Get yourself a metal sled that runs on tiny plastic ball bearings, and you'll be ready to demonstrate to your classroom Isaac Newton's third law of motion: Every action has an equal and opposite reaction. This science video tutorial will teach your students how Newton's third ...more
If you're like me, you were disappointed when NASA cut their human space flight program. No longer could children and adults in dead-end jobs dream of someday walking on the surface of the Moon or drinking floating globules of water through a straw. Homo sapiens as a species a ...more