It allows us to see deep into the Universe and to transmit data over long distances in optical fibres. So, why slow light down? The second answer is that faster is not always better, as the well ...

Lightning Never Strikes the Same Place Twice It’s a common belief that once lightning has struck a location, it’s safe from ...

A captive Anna’s hummingbird feeds while hovering before an optical illusion in a reenactment ... Suddenly he lets out a chirp, and I watch the green dot flit down the tunnel, pause at the ...