Liquid TIDE laundry detergent glows under a blacklight.
96
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A ball of glass will bounce higher than a ball made of rubber.
73