What has happened to us? Despite the most advanced medical technology in the world, we are sicker than ever by nearly every measure. Two out of every three of us are overweight. Cases of diabetes are... continue reading
posted by eric3579 1 decade 11 months 3 weeks ago • 599 views • 2:12Videos (63) | Sift Talk (0) | Blogs (0) | Comments (1000) |
A bit of glass made by dropping liquid glass into water is called a Prince Rupert's Drop. It has some very weird properties, including being nearly indestructible at one end, and super vulnerable at the... continue reading
posted by messenger 1 decade 1 year 1 month 3 weeks ago • 3,954 views • 6:39Compression of time during travel near the speed of light has some interesting and significant consequences.
posted by messenger 1 decade 1 year 2 months 1 week ago • 446 views • 8:37