Buying in bulk is a great idea for the environment, as well as your bank account! I love to reuse things like soap dispensers and just refill them instead of throwing them away, but sometimes it is ...

Pip and squeak: the noise of squeaky basketball shoes is down to the base of the shoe forming wrinkles that travel at near supersonic speeds (courtesy: istock/good life studio) If you have ever ...

Physics in action Freestyle skier Eileen Gu at the 2020 Winter Youth Olympics in Switzerland. (Courtesy: Martin Rulsch/Wikimedia Commons/CC BY-SA 4.0) Here at Physics World we are always on the look ...

Converting integer arrays to UTF-16 string: in case you know the exact bit depth ("maximum value") of numbers, you can save them with reduced bit depth to a few UTF-16 code units instead of much ...