Stanford researchers have combined two microscopy techniques to create a one-of-a-kind instrument that can show cell ...

A team of researchers has developed the first transmission electron microscope which operates at the temporal resolution of a single attosecond, allowing for the first still-image of an electron in ...

IN a recent paper 1 I derived formulæ expressing the distribution of light in the geometrical focal plane of optical systems of high relative aperture; and, using these formulæ, curves were given ...

According to conventional wisdom, the compound microscope was invented at the beginning of the seventeenth century and made possible the immediate discovery of cells. This is nonsense. The textbook ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

Intense pulsed light (IPL) therapy, also known as a photo facial, is a way to improve the color and texture of your skin without surgery. It can undo some of the visible damage caused by sun exposure ...