Remember Martin Molin's Marble Machine X, the mechanical, musical Rube Goldberg machine that uses some 3,000 components and a hand-turned crank to drop marbles in sequences onto acoustic and electric ...

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 ...

Performances in N.Y.C. critic’s notebook The Perelman Performing Arts Center, a glamorous $500 million project, may yet turn the World Trade Center into a neighborhood, our critic writes. A view of ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Burt Helm A great marble ...