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Page 189 - Science Facts

A group of British people launched a paper plane into space.

The plane, constructed with the use of paper straws, was affixed with a camera and launched in Spain using a helium balloon. After its journey through the Earth's atmosphere and back again, it landed 25 miles away from the launch site, with only a small hole in the wing for damage!
(source)

On top of Mt. Everest, water can boil at 156.2 °F (69 °C).

What we know as the boiling temperature of water is only for standard pressure. When there is a change in pressure (for instance, at a higher elevation) the boiling temperature changes as well. So instead of water boiling at 100 °C or 212 °F, at 8,848 m (29029 feet) high, the boiling temperature is much lower. It actually decreases by 1°C every 285 m (935 ft) of elevation.
(source)

The world's tallest tree is 379.1 feet high.

This California redwood, named "Hyperion," is nearly 9 feet taller than the former record holder, another redwood dubbed "Stratosphere Giant."
(source)

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Less than 30 grams of the element francium exist on the Earth at any given time.

Though extremely rare, francium does appear naturally outside of the laboratory, but only for a short period of time. It forms as uranium deposits decay, however the francium itself also decays within 20 minutes of being produced!
(source)

You can use salami as a rocket fuel.

Salami can be added as rocket fuel because it is rich in nitrate, a key ingredient in many explosives.

In a MythBusters experiment, salami was used as fuel for a rocket. While the nitrous oxide that was used to initiate combustion gave the rocket 70 pounds of thrust force, adding salami into the mix tripled that force.

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