We're not sure if this is actually the most powerful mini cannon ever, but the six shot cannon is incredible! The fully stainless steel barrel fires six 9mm steel balls that will rip apart anything in its path, as long as whatever you're shooting at is about the size of a phone or a bottle of ...

Back in the early days of studying earthquakes, scientists needed to be a little creative to test their theories while trying to get readings. Emil Wiechert, a German physicist and geophysicist, had a theory that seismic waves would allow us to see inside the earths surface. He was never able to ...