Dive! Dive! Dive!: Teen Inventor Successfully Tests Homemade Submarine
 

Most hardworking teenagers play sports and complete their homework after school. Justin Beckerman, 18, does all that and builds machines. His latest creation? A fully-submersible, one-man submarine he made with $2,000 worth of materials from the hardware store.

“I actually had a lot of experience building other submarines, [but] I wanted to challenge myself,” said Justin, a life-long inventor from Mendham, N.J.


Dive! Dive! Dive!: Teen Inventor Successfully Tests Homemade Submarine