Posted 12 years ago by frisk in category: crazy   Comments (2)

To see a World in a Grain of Sand - A traditional sand timer has a simple function - it is used to measure a specific period of time. However in Tim's amazing toy collection, sand timers appear in a number of guises.

Posted 8 years ago by nautiz in category: geeky   Comments (0)

Don't miss the demonstration at 02:30.

Posted 8 years ago by boyt in category: science   Comments (1)

Posted 10 years ago by boyt in category: interesting   Comments (0)

Robert Kovacik

Posted 11 years ago by boyt in category: wtf   Comments (0)