Equipment: A 'drinking bird' and a glass of water. Optional: a plexiglass box and a squeeze bottle containing alcohol. What it does: The bird bobs forward into the glass of water and recovers. It ...

The drinking bird is a heat engine driven by evaporating water absorbing heat from the surroundings. The bird bobs forward into the glass of water and recovers. It oscillates in the upright position ...

With their student-created business Glass to Garden, a group of Canyon Crest Academy students is giving used glass bottles a ...