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A critical stage of the James Webb Space Telescope’s mirror alignment has been completed, keeping the state-of-the-art observatory on track to commence science observations in a few months. On March 11, the telescope completed its final round of fine phasing to correct alignment errors. No issues have been identified, and the Webb team is … Read more
The way guppy fish behave suggests they can be tricked into believing holes are larger or smaller than they really are – but they don’t always interpret the optical illusions in the same way humans do Life 23 February 2022 By Christa Lesté-Lasserre Two male guppies (Poecilia reticulata) BIOSPHOTO / Alamy Guppies can be fooled … Read more
We’ve just taken another step closer to time crystals that can be used for practical applications. New experimental work has yielded a room-temperature time crystal in a system that is not isolated from its ambient surroundings. This, the researchers say, paves the way for chip-scale time crystals that can be used in real-world settings, … Read more
Human vision may be limited to a specific range of wavelengths, but that doesn’t mean we’ll never understand the full complexity of light in our Universe. Instruments can peer into the cosmos in regimes that are otherwise invisible to our eyes, showing us not just the dynamics of the stars, but their absolutely awe-inspiring beauty. … Read more
A version of this story appeared in Science, Vol 374, Issue 6573. In August, as Iceland’s long summer days began to wane, Sölvi Thrastarson made his 10th visit to a volcano so young it lacks a name. Since it began to erupt in March on a peninsula a short drive south of Reykjavík, the volcano … Read more