Behold the beam, an amazing structural element that bends when loaded — but one that must not bend too much. A fallen tree spanning the banks of a river was perhaps the first beam used by primitive ...

Gymnastics has come a long way in the past 70 years. Early gold medal winners on the balance beam look entirely different from the modern sport. Even with more complex moves, it still comes down to ...

Let’s think of the last time you sent data without wires. We’re not talking WiFi here, but plain optical signals. Free-space optical communication, or FSO, is an interesting and easy way to transmit ...