“The CurrentBody device is a true diode laser (810nm and effective for Fitzpatrick skin types I-V),” notes dermatologist Omer Ibrahim. “It also has a cooling tip that helps make the experience more ...

More information: Dong-Chel Shin et al, Active laser cooling of a centimeter-scale torsional oscillator, Optica (2025). DOI: 10.1364/OPTICA.548098 Journal information: Optica ...

As heat waves intensify, many people are turning to cooling gadgets and wearables to stay cool. Popular options include ...

Researchers develop laser-chip combo that handles heat, fits existing manufacturing, and enables faster, cheaper, and denser ...

Chinese researchers overcome decades-long challenge to build a laser that operates across 100-degree Celsius temperature swings.

This three-body interaction among the qudits (unrelated to the three-body problem of classical physics) drives the ...

You might see more people wearing a neck cooling fan to fight the summer heat. But can they really help? We talk to experts ...

Multi-wavelength light sources are required for optical transceivers to increase data. However, scaling the laser array size ...

Cooling positronium to ultralow velocities with a chirped laser pulse train. Nature, 2024; DOI: 10.1038/s41586-024-07912-0 ...