Ultrafast lasers emit pulses lasting only a few hundred femtoseconds (quadrillionths of a second). These flashes of light ...

Researchers at EPFL have developed a chip-scale ultrafast laser that performs on par with traditional tabletop femtosecond ...

Researchers at EPFL – Swiss Federal Technology Institute of Lausanne have integrated an ultrafast ...

The Bulletin of Atomic Scientists moved the 2026 Doomsday Clock to 85 seconds to midnight — the closest humanity has stood to ...

The Bulletin of Atomic Scientists has adjusted the 2026 Doomsday Clock to 85 seconds before midnight, marking the nearest ...

Chip-based ultrafast laser rivals tabletop systems, delivering powerful femtosecond pulses for sensing, spectroscopy, ...

Pictures of the components used in making an atomic clock. The ion trap (left image) holds the clock in place. The optical/laser apparatus (right images) measures the clock’s frequency. Fukuoka, Japan ...

Time might be even stranger than Einstein imagined. Physicists are now exploring the possibility that a single clock could exist in a quantum superposition, ticking both faster and slower at the same ...

In the future, optical atomic clocks are expected to measure time 40,000 times more accurately than established atomic clocks. As part of the ISABELLA project, a consortium of industry and research ...

Gravitational waves are tiny ripples in spacetime. Their first direct detection in 2015 marked a revolutionary moment in ...

Round-the clock demand for electricity is rising rapidly due to AI, Data Centers, and cloud computing. Kairos Power, which is ...

Last month, the National Research Council of Canada revealed its decision to shut down shortwave station CHU, with its ...