Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The force of a suction cup is calculated using F=AP.
15
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
A cesium atom in an atomic clock beats over nine billion times a second.
43
Pumice is the only rock that floats on water.
14
Research indicates that plants grow healthier when they are stroked.
173
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0