French start-up Spktrl has developed a smart ring embedded with a 1.5-carat diamond that flashes in different colours to ...

The thunders of exploding bombs recently interrupted my night, a morose testament to Russia’s nocturnal attacks on Ukraine, which have become a defining feature of the Russo-Ukrainian war. These ...

The spreading of the pulse energy then overlaps with the energy of subsequent pulses, a phenomenon known as intersymbol ...

John Bisset examines a handy software-based diagramming tool, and Harold Hallikainen gives us another clever use of engraved ...

They found a repeating pattern: a few hundred seconds of dim X-ray light, followed by a similar period of bright light.