When will your elevator arrive? Two physicists do the math

The human world is, increasingly, an urban one—and that means elevators. Hong Kong, the hometown of physicist Zhijie Feng (Boston University), adds new elevators at the rate of roughly 1500 every year...making vertical ...

Life in the fast lane—how plants avoid traffic jams

Traffic jams are the curse of the commute, the scourge of the school run and the bane of Bank Holidays. But gridlocked motorists and students of traffic flow may soon be relieved and enlightened thanks to new research into ...

Hungry bats compete for prey by jamming sonar

In their nightly forays, bats hunting for insects compete with as many as one million hungry roost-mates. A study published today in Science shows that Mexican free-tailed bats jam the sonar of competitors to gain advantage ...

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