LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

It’s the evening before publication, and a pair of Hackaday writers convene to record the week’s podcast. This week Elliot Williams is joined by Jenny List, and it’s a bumper ...

The geoscience projects for which the China Geological Survey secured contracts in Saudi Arabia five years ago have seen substantial progress in geochemical exploration, geological mapping and ...