Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Iron weighs more after it rusts.
68
The force of a suction cup is calculated using F=AP.
15
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57