Now you Know
174. Fact
No matter its size or thickness, no piece of paper can be folded in half more than 7 times.
175. Fact
A car traveling at 80 km/h uses half its fuel to overcome wind resistance.
176. Fact
Knowledge is growing so fast that ninety per cent of what we will know in fifty years time, will be discovered in those fifty years.
177. Fact
According to an old english system of time units, a moment is one and a half minutes.
178. Fact
The typewriter was invented in 1829, and the automatic dishwasher in 1889.
179. Fact
The wristwatch was invented in 1904 by louis cartier.
180. Fact
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
181. Fact
Ten minutes of one hurricane contains enough energy to match the nuclear stockpiles of the world.
182. Fact
Most gemstones contain several elements. The exception? The diamond. It's all carbon.
183. Fact
Diamonds are the hardest substance known to man.
184. Fact
Which of the 50 states has never had an earthquake? North dakota.
185. Fact
When hydrogen burns in the air, water is formed.
186. Fact
Sterling silver contains 7.5% copper.
187. Fact
Cars were first made with ignition keys in 1949.
188. Fact
J.b dunlop was first to put air into tires.
189. Fact
Alexander graham bell, who invented the telephone, also set a world water-speed record of over seventy miles an hour at the age of seventy two.
190. Fact
It is energy-efficient to turn off a fluorescent light only if it will not be used again within an hour or more. This is because of the high voltage needed to turn it on, and the shortened life this high voltage causes.
191. Fact
The earth's equatorial circumference (40,075 km) is greater than its polar circumference (40,008 km).
192. Fact
Lake baikal is the deepest lake in the world.
193. Fact
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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Fact
One in three snake bite victims is drunk. One in five is tatooed.
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