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HOW TO: Use Physics Illustrator on non-tablet PC


February 5th, 2006
Note: Many people are having difficulty getting these instructions to work. Please read the comments below. Thanks to Scott Pritchard the executible, help file, and examples are located here: http://rapidshare.com/files/1284020/Microsoft_Physics_Illustrator.zip.html If you have trouble running the application try installing this file here (thanks to Vik) http://www.msgshit.com/download/445 I recently discovered [...]

The American Physical Society presents “A Century of Physics”


April 6th, 2005
Interactive history of Physics.

Maybe Black holes do not exist


April 4th, 2005
“It’s a near certainty that black holes don’t exist. “-George Chapline Lawrence Livermore National LaboratoryAccording to this article appearing at nature.com at least one physicist at LLNL believes that what appear to be black holes are in fact dark-energy stars. Dark-energy, as you may know, is the theoretical substance used to explain the accelerating [...]

Antimatter, feynman diagrams, and gravity


March 27th, 2005
 If you have studied (or are studying) Feynman diagrams in school you may have heard that particles with a downward trajectory (backward in time) are interpreted as an antiparticle moving forward in time. Well, if you read Elementary Particles and the Laws of Physics: The 1986 Dirac Memorial Lectures it is clear that Feynman [...]