Physics

Lawrence M. Krauss & Sam Harris

Tony Wayne

The Astophysics package was published in 1997. It was written primarily to support modules currently available in the A level physics syllabuses at that time. Parts of package were also relevant to astronomical topics within International Baccalaureate and GCSE courses as well as to adult and continuing education.

All About G ForcesWhat's behind gravity forces, and how much of them can we take? By Peter TysonPosted 11.01.07NOVAA few summers ago I took my then nine-year-old daughter on a glider ride. Midway through, as we soared over a coastal landscape, I casually asked the pilot whether he could do any tricks. Without a word, he threw the plane into a dive. We were accelerating straight towards the ground. My daughter and I shouted and grabbed the armrests. Suddenly we were hit with that thrill-inducing pressure familiar from rollercoasters-tensed facial muscles, light-headedness, a sense of altered reality.

How Its Made Christmas Ornaments

How Its Made Artificial Christmas Tree

J-Track 3D Satellite Tracking We hope you enjoy J-Track 3-D.  It should appear in its own window and begin loading a database of hundreds of satellites. What you will see is a plot in 3-dimensions showing the position of these satellites. If you are unable to view then a JAVA updagrade could be necessary. Be sure to try the "Satellite" pull-down menu to choose which satellite you wish to view. How to interact with JTrack-3D; it has its own menu items for View, Satellite, and Options:

The Power of Ideas is an interactive learning module designed to help you understand these paradigm shifts - exactly what about our conceptual frameworks was unified, and the transformative effect it has had on our world.