Heron's Fountain is a water fountain that squirts water upwards because of the falling of other water. The concept uses hydraulics and pneumatics.
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How to make custom and strong tank tracks for very cheap.
Tesla coils are always a hit around here at the office. Giant ones that play music with modern-day chain mail wearing DJ's, ones thrown together in garages by self-proclaimed mad scientists... But hav...
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The Solar Suntree Charger is a solar powered charger for your mobile phone. It is powered by 9 solar panel leaves and has a trunk made from bamboo.