Angie Wang for NPR
In 1977, 23-year-old Jake Carpenter set out to design a better version of the Snurfer, a stand-up sled he loved to ride as a teenager.
Working by himself in a barn in Londonderry, Vermont, he sanded and whittled stacks of wood, trying to create the perfect ride.
He eventually helped launch an entirely new sport, while building the largest snowboard brand in the world.
How You Built That
We check back in with Jane Och, who solved the problem of guacamole turning brown by designing a container that removes air pockets: the Guac-Lock.