Don't forget the bicycle tools they stole.

Require lasers sold to the public to have a built-in, slightly-divergent lens. That would improve PowerPoint usage too.

Maybe we should cheer him on. :-)

energy is mass times velocity squared. Energy flux flowing over a windmill has another velocity, so velocity cubed.

Clean white sand is a byproduct of tar-sand petroleum production in northern Alberta, Canada. They dig a giant hole in this gooey stinky tar stuff, wash it in hot naptha, take the clean white sand coming out, and dump it back in the hole it came out of. What limits production is lack of permits for the pipeline they need to export the oil.

Choosing parameters that best simulate a model does not mean that model is correct.

I lost a son, age 25, to sudden cardiac arrest. He left the gym, died a half hour later in his office. We thought he was the healthiest one in the family. Every gym should have an EKG machine as well as an AED. I hope you never learn what I know --- no loss exceeds losing a child. Search for Jos Claerbout

Does anybody think our government could have managed the BP oil blowout?

Bill for services, that's what we do at Stanford University. We're a non-profit.

for example Scientific American and Discover Magazine. I want to see their web sites without ads, not someone's idea of what an electronic magazine should look like, especially when it downloads slowly and uses unfamiliar navigation.

Go read my free on-line textbooks --Jon Claerbout, Stanford University

We've had similar experiences here. The best advice I can offer was already offered by Sal Kahn recently being interviewed by the president of MIT. Interested? Go find it on youtube.

First find the basic youtube explaining MIT Scratch. Then open it on a browser. Then start an discussion where you try getting ideas of things people can try.

If I give a lecture, it's easy to record and distribute my face, voice, and slides, but the pointer position is lost. And that's half the drama!

by keeping a lot of information secret. Transparency is more powerful than regulation.