Friday, April 23, 2010

Experimental explanation of supercooling: Why water does not freeze in the clouds

Experimental explanation of supercooling: Why water does not freeze in the clouds

The fact that we still don't know everything about water (or gravity or light for that matter) never ceases to amaze me.

Researchers create 'sound bullets': Highly focused acoustic pulses could be used as sonic scalpels and more

Researchers create 'sound bullets': Highly focused acoustic pulses could be used as sonic scalpels and more

Very cool research. We are starting a unit on sound in 8th grade now. Students will be making their own instruments and describing the physics of how sound is created. I'll have them read and write a response to this article.

Wednesday, April 21, 2010

"Betting on Change"

Capitalism in its purest form is politically deaf.  Good capitalists will make money regardless of what happens.  I think many parallels can be drawn between the competition that drives evolution and the competition that drives capitalism.

Global temperatures push March 2010 to hottest March on record

Global temperatures push March 2010 to hottest March on record

Been awhile since blog update. Lots going on with climate debate. Here's the latest. Climategate aside, there's definitely legitimate reason for concern.