Teenagers today, as you know, are doing some pretty amazing stuff that will make you wonder if you wasted your childhood doing nothing. 18-year-old Kai Kloepfer thinks he may have invented the world's safest gun. He could be right.

Inspired by school shootings of recent past, he may have just invented a groundbreaking advancement in gun safety.

He is entirely self-taught, and studied engineering on the Internet.

His gun is a smart firearm, which can only be fired by specific people.

Watch the interesting video below: