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.

173. Fact
Super glue was invented by accident the researcher was trying to make optical coating materials, n would test their properties by putting dem between 2 prisms and shining light through dem when he tried cyano-acrylate, he couldn't get the prisms apart.

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.

194. Fact
The earth's average velocity orbiting the sun is 107,220 km per hour.

195. Fact
There is a high and low tide because of our moon and the sun.

196. Fact
The united states consumes 25% of all the worlds energy.

197. Fact
Flying from london to new york by concord, due to the time zones crossed, you can arrive 2 hours before you leave.

198. Fact
There is enough fuel in a full tank of a jumbo jet to drive an average car four times around the world.

199. Fact
The surface speed record on the moon is 10.56 miles per hour. It was set with the lunar rover.

200. Fact
If you could drive to the sun -- at 55 miles per hour -- it would take about 193 years.

201. Fact
The moon is one million times drier than the gobi desert.

202. Fact
Just twenty seconds worth of fuel remained when apollo 11's lunar module landed on the moon.

203. Fact
A boeing 707 uses four thousand gallons of fuel in its take-off climb.

204. Fact
The planet saturn has a density lower than water. So, if placed in water it would float.

205. Fact
Since 1959, more than 6,000 pieces of 'space junk' (abandoned rocket and satellite parts) have fallen out of orbit - many of these have hit the earth's surface.

206. Fact
It takes 70% less energy to produce a ton of paper from recycled paper than from trees.

207. Fact
Every year in the us, 625 people are struck by lightning.

208. Fact
Hawaii is moving toward japan 4 inches every year.

209. Fact
The rocket engine has to supply its own oxygen so it can burn its fuel in outer space.

210. Fact
The north atlantic gets 1 inch wider every year.

211. Fact
Oxygen is the most abundant element in the earths crust, waters, and atmosphere (about 49.5%).

212. Fact
A stroke of lightning discharges from 10 to 100 million volts & 30,000 amperes of electricity.

213. Fact
A bolt of lightning is about 54,000f (30,000c); six times hotter than the sun.

214. Fact
Hydrogen is the most abundant element in the universe (75%).

215. Fact
The average distance between the earth & the moon is 238,857 miles (384,392 km).

216. Fact
The moon is 27% the size of the earth.

217. Fact
The center of the sun is about 27 million degrees fahrenheit (15 million c).

218. Fact
Sunlight takes about 8 minutes & 20 seconds to reach the earth at 186,282 miles/sec (299,792 km/sec).



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