I love how flashlights have evolved in the past decade with powerful LEDs, lithium-ion batteries and USB-C charging, and ...

As summer comes to an end, dark spots, sun damage and emerging fine lines may be top of mind. Lasers are a high-tech, efficacious way to address these common skin concerns and many consumers are ...

For the experiment, a high-power green laser was directed through ruby cube and illuminated with a blue laser from the side. The green laser increases the optical absorption of the blue illuminating ...

A new experiment has demonstrated something that sounds physically impossible – light itself casting a shadow. It turns out that if you manipulate a laser just right, then hit it side-on with another ...