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 ...

Shadows can be a fascinating discovery for a young child. Some children may try to catch their own shadow, some children may try to run from it, and some children want to know why and how shadows are ...

CLEVELAND — I have a little artist in the house. There aren’t enough coloring books and we go through countless reams of paper. As much as I love the videos showing kids how to draw, I also don’t want ...

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 ...