But scientists have observed a free-living mushroom coral, Cycloseris cyclolites, actively “walking” toward blue light waves in a way that’s reminiscent of the pulsed swimming motion of ...

In 2019, the European parliament voted to scrap mandatory daylight saving but Britain has no plans to, err, see the light. This is what it all means for the UK. The clocks will once more go ...

With respect to climate change, 2024 was in many ways similar to 2023: Manifestations of a changed climate continued to be felt increasingly across the world, even as the clean-energy transition ...

The Doomsday Clock depicts how close humanity is to armageddon – but where did it come from, how do you read its time, and what can we learn from it? Existential risk researcher SJ Beard explains.

However, our bodies associate blue light with daytime, so exposure to it when you’re trying to go to bed “pushes our internal clocks later, so that it’s harder to fall asleep and harder to ...

Jan. 30, 2025 — Researchers developed a new optical system that uses holograms to encode information, creating a level of encryption that traditional methods cannot ... Optical Fiber Sensor ...

But after more than a dozen hours with Hyper Light Breaker – a follow-up (though not a proper sequel) to one of my all-time favorite indie games, Hyper Light Drifter – I feel like Vito ...

A shown-up picture: a crystal from indium- (pink) and ytterbium (blue) ions. Credit ... Credit: Physikalisch-Technische Bundesanstalt In an optical atomic clock, atoms are irradiated by laser light.