A Mini-Submarine Discovers Classified Canadian Technology at the Bottom of Lake Ontario

The Arvo Arrow

This prototype was nicknamed the “Arvo Arrow,” it was roughly 9 feet long and had a wingspan of 5 feet across. This rocket flew using solid fuel, and once that fuel was used up or the rocket collided with something, the artillery shell would explode.

The More You Know

The magnetic North Pole is moving.
Humans are the only animals with chins.
In 1993, San Francisco held a referendum over whether a police officer called Bob Geary was allowed to patrol while carrying a ventriloquist’s dummy called Brendan O’Smarty. He was.
The glass winged butterfly lacks colored scales, which makes its wings transparent and helps it avoid predators.

Post originally appeared on Upbeat News.