Cartesian coordinates allow us to talk precisely about points and lines, parallel and perpendicular, and quadrance and spread---the two main concepts from rational trigonometry.
Check out this and other cool science experiments at www.stevespanglerscience.com You'll want to save a few plastic soda bottles to do Steve Spangler's science experiment....
Table of contents listing all instructional math videos available from Chycho TV at www.chycho.com List of videos that are available for download at www.chycho.com INTRODUCTION:...
The sciencetoymaker.org version of an inexpensive Cartesian diver that's a good group science project. Part 1 of 2 parts. The second part is here www.youtube.com...
Aseries of lectures delivered by Peter Millican to first-year philosophy students at the University of Oxford. The lectures comprise the 8-week General Philosophy course and...
