Fifteensquared

Never knowingly undersolved.

Archive for January 28th, 2007

Everyman 3147/Jan 21 – Newton’s cradle

Posted by ilancaron on 28th January 2007

ilancaron.

I had no idea that the mesmerizing 5 silver balls swinging back and forth on my desk was called a Newton’s cradle (17A).

Read the rest of this entry »

Posted in Everyman | 2 Comments »