Optical fingerprint scanners are the oldest method of capturing and comparing fingerprints. As the name suggests, this technique relies on capturing an optical image — essentially a photograph.

Ditch the doctor's office and snag your prescription glasses for less when you shop online. These are the best places to get your next set. Executive Editor David Carnoy has been a leading member ...

Optical materials are substances used to manipulate the flow of light. This can include reflecting, absorbing, focusing or splitting an optical beam. The efficiency of a specific material at each ...

Sep. 19, 2024 — Can an immunoassay be created and selectively detect a virus in under 5 minutes? In a new study, researchers report that it can be done using a low-power laser like a laser ...

Optics and photonics covers the entire electromagnetic spectrum from high-energy gamma rays and X-rays, through the optical regime of ultraviolet, visible, and infrared light, to long-wavelength ...