Banknotes deteriorate over their lifetime, becoming dirty, creased, faded or torn from being handled by many people and ...

Do blue light glasses actually help with sleep or eye strain? We explore the science behind blue light exposure, circadian disruption, and whether these lenses are worth the hype.

For the first time, researchers have shown that terahertz imaging can be used to visualize internal details of the mouse cochlea with micron-level spatial resolution. The non-invasive method could ...

Optical Surfaces Ltd. is a leading manufacturer of top-quality toroidal mirrors for spectroscopic and imaging applications. Large, high precision toroidal mirror, Image Credit: Optical Surfaces ...

Spectroscopy is a key tool for identifying chemical compounds and analyzing molecular structures. Learn how to read and ...

Harvard physicists develop a novel cascaded-mode interferometer, enhancing light control for applications in fiber-optic ...

Graphene-based saturable absorbers show strong potential for high-speed laser systems. Learn how integrating graphene with silicon photonics improves mode-locking and ultrafast pulse generation.

Researchers from Beihang University in China have created a spintronic THz emitter with a microscale stripe pattern that ...