While this is authentic footage of a genuine product, the "perpetual" marble machine does not operate infinitely without an additional energy source. Rather, it uses batteries and a magnet to create ...

Swedish band Wintergatan may be widely known for its Marble Machine music video (which featured a machine dropping marbles to play drums, a bass, and other instruments), but today I learned that ...

[Martin] of the band [Wintergatan] is on his third quest to build the ultimate musical marble machine, and that means dropping marbles with maximum reliability and precision timing. Working through ...

The astonishing variety of ways to tell the time which have appeared on these pages over the years provides a showcase of the talents and ingenuity of our community. Many clocks use designs we are ...