What the flux ... capacitor is going on here? Apparently because he could, a California man named Matthew Riese built a hovercraft from scratch that's modeled after the DeLorean from the "Back To The Future" movies. That's some serious stuff, as concept cars go, but wait until you see Doc Brown's airboat in action during Major League Baseball action. On Friday night, Riese navigated his inspired hovercraft into McCovey Cove for the San Francisco Giants-Colorado Rockies game. You see, where he was going, he didn't need any roads. Broadcasters Duane Kuiper and Mike Krukow were appropriately amused: Your browser does not support iframes. It don't take money , it don't take fame, and you don't need no credit card to ride this ... boat. Here are some details from the pilot himself, who in 2010 used the Kickstarter web site to fund his $5,600 project: