Researchers have theoretically presented terahertz (THz) modulation of UV light by a graphene nano-ribbon from computational simulation and proposed the application to a terahertz radiation device.

The application of modulated UV-C light to guavas—emitted in pulses or cycles rather than continuously—combated anthracnose. This fungal disease is caused by microorganisms belonging to the ...

When a predator like a lion walks through the grasslands, it makes its presence known by roaring, which can be heard miles away. Since the lion is at the top of the food chain, it doesn’t particularly ...

Invisible light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and optical sensing. Ultraviolet and near-infrared wavelengths are routinely ...

Ultraviolet or infrared light beyond the range of human vision plays a vital role in communication technologies, medical diagnostics, and optical sensing. UV (100–400 nm) and NIR (0.75–1.4 μm) ...

Here at Hackaday, we love a good art piece, whether that involves light or sound. Combining both is a sure-fire way to get our attention, and [Eirik Brandal] did just that with his Void Extrusion ...

Astrophysicists have created terrifying simulations that reveal how black holes naturally create dazzling displays detected from billions of light-years away. In the stunning imagery, the black holes ...