Ancient Greece mathematician Archimedes believed a death ray was plausible, so a middle school student from Canada put the concept to the test. Brenden Sener of Ontario won multiple medals for his ...

Add Yahoo as a preferred source to see more of our stories on Google. The Greek inventor Archimedes supposedly used mirrors to set fire to invading ships. To test the possibility, a middle-school ...

In this article, I'll show you how to make an awesome "Death Ray" using the large magnifying lens from an old projection TV. The lens is called a Fresnel lens; a device that employs several ridges to ...

Here’s what you’ll learn when you read this story: Ancient Greece mathematician Archimedes believed a death ray was plausible, so a middle school student from Canada put the concept to the test.