What's the fastest way to board passengers onto an airplane? To find out, This vs That assembled 72 people, a 757, an Astro-Physicist, and for reasons yet to be determined, a guy who makes ham sandwiches with his feet. If you think charcoal is a filthy pain-in-the-ass, then you've got two alternate BBQ fuel choices: propane or natural gas. Only, they're not the same. One is much hotter. We could just tell you, but then you'd miss out on seeing us explode giant cans of baked beans. Ain't science awesome?