SW Bend residents awaken to small, ‘super-fluky’ fire sparked by concave makeup mirror focusing sunlight on paper bag Bend Fire & Rescue Firefighter could only hold hand in spot of mirror's ...

Scientists have speculated about how Archimedes’ death ray purportedly harnessed sunlight to burn ships. Now, a teen may have evidence the device was plausible.

These bulbs were rigged with small concave mirrors to concentrate light beams onto a marked target. As he added more mirrors, angling them to converge on the same spot, the temperature at the ...

Here, one can see a small concave depression in the surface of an optical fiber. The researchers used a microcavity with two concave mirrors, but this image of a single concave microcavity makes ...

Concave Convex Mirror by Dean Norton Mischa Baka. Concave Convex Mirror has been created for the Alt Material exhibition, part of NGV's Melbourne Design Week 2020.