A teen named Conrad manged to make in a secret small fusion reactor in his backyard, and he almost got killed by it.

The teen, who shares his last name with the fusor's original designer, Philo T. Farnsworth, and self-proclaimed mad scientist Hubert J. Farnsworth, began work on the project at age 16. He started by contacting members of the international amateur fusion community for guidance.

The resulting reactor is a maze of wires, buttons and doo-dads, sitting right next to his father's 1972 Chevy in the shed. The plasma at the heart of his reactor reaches a temperature of 600 million degrees Fahrenheit.

According to the Star-Tribune, only about 60 people worldwide have ever built a successful fusion reactor.

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