Found this article from a link on andrewsullivan.com

http://people-press.org/reports/display.php3?ReportID=319

"On average, today's citizens are about as able to name their leaders, and are about as aware of major news events, as was the public nearly 20 ( Read more... )

I gave a talk and hands-on engineering demonstration at "Meet a Scientist/Engineer Day" at Aberdeen High School yesterday. And I was mightily impressed ( Read more... )

A battery, a nail, a good magnet, 6" of wire. No careful coiling or fancy assembly required.

For simplicity, this beats the motor designs I mentioned a while back. It also apparently gives much higher rpm due to lower friction. On the other hand, it's more limited, and eye protection is definitely recommended ( Read more... )