If you’re looking for a fun activity to keep your kids outdoors and engaged this summer (who isn’t?), we may have found just the thing. Shadow drawing is a fun outdoor art project that your kids (and ...

In the experiment, a high-power green laser passed through a ruby cube, illuminated from the side by a blue laser. The green laser increased the ruby’s absorption of the blue light, creating a darker ...

A team of scientists has found that the narrow beam of a laser, under specific conditions, can cast a shadow — a counterintuitive finding that could open the doors for new applications of optical ...