Magnetism

In the early 1950s, the U.S. Air Force Supply Depot in Ohio was looking for a faster way to store and fetch information from its sizable inventory. They had 50,000 items in their records and wanted instant access to each one of them. The dominant storage technologies of the time—punch cards, magnetic tape and magnetic […]

For elephants, feet are sensory organs.Martin Harvey, Getty Images It’s pretty obvious that dogs have sharper ears and cats a keener sense of smell than we do. But as powerful these senses are, they are merely keener versions of the ones we humans possess. The animal kingdom also boast some senses that are arguably more […]