Amazing facts

General Facts

• When you run only 25% of the chemical energy in your muscles is converted into kinetic energy, the rest changes into heat energy.

• When you get goose pimples and your hair stand, the hair helps to trap air making you feel warmer by keeping in, your body heat.

• Over half the people in Iceland get their hot water from geothermal energy.

• A person who weighs 50 kg on earth will weigh 13,200 kg on Jupiter.

• The compressed air used by scuba divers in their cylinders can occupy the same volume if not compressed.

• On a clear day, a beam of sunlight can be reflected off a mirror and seen up to 40km away.

• The sound energy of 200 pianos is equal to the electrical energy needed to light just one light bulb.

• Sound travels 15 times faster through steel and 4 times faster through water than through air.

• The world's largest and loudest musical instrument is in the Atlantic City, USA. It is an organ of 33,112 pipes that can make a sound as loud as 25 brass bands.

• A piece of buttered toast contains about 315 kJ of energy. With that energy you could,

  • Jog for 6 minutes

  • Cycle for 10 minutes

  • Walk briskly for 15 minutes

  • Sleep for 1.5 hours

  That amount of energy could,

  • Run a car for 7 seconds at 80 kmph

  • Run a 60 watt light bulb for 1.5 hours