When you shine a light on quantum dots or apply electricity to them, they react by producing their own light, normally a bright, vibrant color. But when Bowers shined a laser on his batch of dots,..."The quantum dots were supposed to emit blue light, but instead they were giving off a beautiful white glow."
"Thousands of teachers are saddled with error-filled physical science textbooks," wrote John Hubisz, a physics professor at North Carolina State University at Raleigh and the author of the report. "Political correctness is often more important than scientific accuracy. Middle-school text publishers now employ more people to censor books than they do to check facts."
We haven’t seen much snow this season here in Oklahoma so for those of you who haven’t seen many flakes this year, the frozen water kind not those people around you, I thought I would post a link to some amazing photos of snowflakes. These Snow Crystal Photographs are one of a kind…literally.
( Posted by AJY at 03:02 PM | 97 Trackbacks | 0 Comments)
GRAND ISLAND, N.Y. -- Just before her afternoon run, school bus driver Julianne Thompson was reading an interview with Mel Gibson, in which the actor spoke out against stem cell research. When her elementary school passengers hopped aboard for the ride home, Thompson decided to share what was still fresh in her mind.
And you don't look a day over 5000... The Guardian: At 6pm tonight at the Geological Society of London, scientists will raise their glasses to James Ussher, Archbishop of Armagh (below), who in 1650 used the chronology of the Bible...