Weblog on Physics

PAPIN'S STEAM ENGINE, BY  CHARLES A. JOY. Scientific American, Volume XXXVI., No. 8, February 24, 1877 http://www.gutenberg.org/files/...

In The Project Gutenberg EBook of The Great Round World and What Is Going On In It, Vol. 1, No. 15, February 18, 1897, by Various, http://ww...

In several desert areas, the slow motion of sand dunes can be a challenge for modern human activities and a threat for the survival of ancie...

The Japanese Journal of Applied Physics Volume 51, Number 1, January 2012  had published the Special Section: Centennial Anniversary of Su...

"On Tuesday, physicists at the Large Hadron Collider near Geneva, Switzerland, said that data from two independent experiments had help...

Some educational java applets at http://www.falstad.com/mathphysics.html

Thermoacoustic engines (sometimes called "TA engines") are thermoacoustic devices which use high-amplitude sound waves to pump hea...

A young Leonardo da Vinci - A superposition of images. See how I processed them at http://arxiv.org/abs/1111.4654 and also http://www.t...

"Quantum mechanics tells us that the vacuum is not empty but is filled with virtual particles that pop into and out of existence. Norma...

"After yet another narrow encounter with an asteroid the size of an airship earlier this week, do we need to pay more attention to tech...