The Beth Sholom synagogue in Elkins Park, designed by Frank Lloyd Wright, is an unusual building even among the famed architect’s unique built works. Some have described it as a spaceship that landed ...

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 ...

OMNI is a new long throw flashlight which is launched via Kickstarter this month providing a pocket-sized yet powerful tactical flashlight with a beam distance of 1,039 m and 270 LM. The rechargeable ...

The Friends of Arlington's Planetarium will be hosting two special evenings of laser shows at the David M. Brown Planetarium ...