But that amount of energy doesn’t do much damage against a watermelon. Which is why the Backyard Scientist brings out the big guns—a capacitor that is capable of sending out 20,000 joules.

The court participated in the Washington County Fair parade, Waller Coun-ty Fair parade, city of Waller Christmas parade, Hempstead Festival of Lights, and the Luling Watermelon Thump. They will ...