Desk toys are perfect for when you don’t want to work. There’s a particularly old desk toy called the Newton’s cradle. If you don’t know the name, you’d still recognize the toy.

The well-known behaviour of Newton's cradle (see Fig. 1a) is most easily understood in this way. Even when several balls are simultaneously in contact, particles in an idealized Newton's cradle ...

The rhythmic click-clacking of the metal balls in Newton’s cradle has long entertained physics students. Now, scientists have re-created the toy on an atomic scale, using it to probe how quantum ...

Whether you know it as Newton's Cradle or the Executive Ball Clicker, chances are you've seen the educational desk toy that seems to defy explanation. The device consists of a row of five metal ...