An atomic clock is accurate to within 1 second in 1,7 million years.
The smallest transistor
The smallest transistor is 50-nanometres wide - roughly 1/2000 the width of a human hair.
More Science Facts
Atomic clock accuracy
Peanuts in dynamite
Peanuts are one of the ingredients in dynamite.
Windmills in Ireland
Windmills always turn counter-clockwise. Except for the windmills in Ireland!