Shadow puppetry can be beautiful to look at, but when it’s happening inside our eyeballs, it’s an annoyance. One of the banes of getting older is the appearance of apparitions in our vision. In...
During World War II, the British Royal Air Force started a rumour that carrots gave their fighter pilots sharp vision and accuracy. This was not true. Radar was responsible for their success...
Serendipity plays a big role in science. Many discoveries begin with a puzzling observation followed by, “That’s weird”. Don McPherson developed special lenses for surgeons to use when employing...
You know how we (humans) have eyeballs? Well, owls don’t. They have eye tubes or cylinders, rod-shaped eyes that do not move in their sockets as eyeballs do. Instead, owls have to move their bodies...
Imagine being an elderly woman, sipping her tea in an empty house, and suddenly seeing a girl entering through a closed door and vanishing. The apparition is crisp and well defined. Would you, as...
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