from Tim Hunkin and Andy Plant – detailing the technical challenges of an outdoor water clock.
made by Tim Hunkin and Will Jackson in 1998 – http://www.timhunkin.com/63_southwold_water_clock.htm
As a Physicist, it ain’t so hard to understand, but it’s still impressive!
from the University of Bath: Students Carmen Cheng and Matthew Guy used this ‘Leidenfrost effect’ to build their Leidenfrost Maze, to use in workshops and events with local school children. – http://en.wikipedia.org/wiki/Leidenfrost_effect