153. Fact

The first electronic digital computer (called eniac - the electronic numerical integrator and calculator) was developed in 1946 and contained over 18,000 vacuum tubes.

154. Fact

The leg muscles of a locust are about 1000 times more powerful than an equal weight of human muscle.

155. Fact

The cosmos contains approximately 50,000,000,000 galaxies.

156. Fact

There are between 100,000,000,000 and 1,000,000,000,000 stars in a normal galaxy.

157. Fact

Sound travels about 4 times faster in water than in air.

158. Fact

Scientists have discovered that copper pollution of the atmosphere occurred about 2500 years ago.dis was discovered by analyzing ice cores from greenland the pollution was attributed to the romans who used copper for military purposes n to produce coins.

159. Fact

Hydrofluoric acid will dissolve glass.

160. Fact

In a full grown rye plant, the total length of roots may reach 380 miles (613 km).

161. Fact

In a full grown rye plant, the total length of fine root hairs may reach 6600 miles (10,645 km).

162. Fact

A large sunspot can last for about a week.

163. Fact

If you could throw a snowball fast enough, it would totally vaporize when it hit a brick wall.

164. Fact

Boron nitride (bn) is the second hardest substance known to man.

165. Fact

The female tarantula hawk wasp paralyzes a large spider with her sting. She then lays her eggs on the motionless body so that her developing young have a fresh supply of spider meat to feed on.

166. Fact

The seeds of an indian lotus tree remain viable for 300 to 400 years.

167. Fact

The only letter not appearing on the periodic table is the letter j.

168. Fact

Velcro was invented by a swiss guy who was inspired by the way burrs attached to clothing.

169. Fact

Hershey's kisses are called that because the machine that makes them looks like it's kissing the conveyor belt.

170. Fact

October 10 is national metric day.

171. Fact

If you stretch a standard slinky out flat it measures 87 feet long.

172. Fact

The microwave was invented after a researcher walked by a radar tube and a chocolate bar melted in his pocket.

Fact
A snail can travel over a razor blade without cutting itself.      .. More >>