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.

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The More You Know

  • A Scarlet Macaw can live up to 80 years.
  • Your heart beats 100,000 times a day.
  • The word "kimono" means "a thing to wear."
  • Lightning can heat the air it passes through to 50,000 degrees.
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