How to Navigate by the SunAug 13, 2008 - 00:05:00Now you can find out where you are even if you don't have GPS. Learn how to find south along with your la...View more
Nomenclature -- Special Relativity (2 of 5)Apr 21, 2007 - 00:03:07Last week we covered the two postulates of special relativity, and next week we'll use geometry to derive...View more
Two Postulates -- Special Relativity (1 of 5)Apr 11, 2007 - 00:07:12The bizarre consequences of special relativity arise from two postulates, two things which once accepted...View more
How to Build a Paper QuadrantApr 2, 2007 - 00:01:50The quadrant is a simple tool for measuring the altitude (angle) of an object above the horizon. This epi...View more
What is quantum tunneling?Mar 25, 2007 - 00:04:12Einstein may have believed God doesn't play dice, but God need not conform to Einstein's beliefs. This pi...View more
Could that really happen? Phylm examines the bus jump from SpeedMar 20, 2007 - 00:04:02In the movie Speed a bus is forced to jump an unfinished portion of highway to avoid setting off a bomb o...View more
What is the conservation of angular momentum?Mar 11, 2007 - 00:02:18What do bicycle wheels, figure skaters, and exploding stars have in common? That's right, angular momentu...View more
Electricity and Magnetism Hand Rules (part one)Feb 25, 2007 - 00:03:51Electricity and magnetism are intimately connected. Explore their relationship in this short explanation...View more