When it comes to DIY, the right tools can be a game-changer in home improvement. A water pump powered by a drill is a unique ...

by using a properly rated submersible pump, the water delivery system can be considered electrically safe. Air from the leaf blowers is also delivered to the foam cone by pipes, keeping them well ...

Practise and challenge your friends! Download the Water bottle Rockets PDF(378 Kb). Adobe Acrobat is required. SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres. The ...

On a sunny spring morning in 1955, our physical science teacher at Centralia High School told us he had a surprise for us. We were all going outside to watch a young woman demonstrate the phenomenon o ...