There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Balsa wood is classified as a hard wood!
41
Aluminum used to be more valuable than gold!
84
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One third of the electricity produced on earth is used to power electric light bulbs!
75