“Journalism leads to everything, provided you leave it,” said journalist, writer and academician Jules Janin (1804–1874). I still haven’t crossed that threshold: I obtained my press card in 1988 and, ...

Make a SPOOKtacular bubbling cauldron at home powered by the magic of science. You may not have a cauldron in your kitchen cupboard, but a bowl or mug will look just as effective. Let Big Manny show ...

Keeping kids entertained on snow days just got a lot more interesting—and we’re not just talking about mixing up ice cream in freezing temperatures. Some families are using the icy weather as an ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.