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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Often called the ...

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.