How would a mad scientist eat his ice cream? He'd inject it with enough nitrogen to cover the whole parlor in a frosty mist. But you don't have to be a mad scientist to chill out like one, thanks to Chuck Woodard and Danny Golik, the brainiacs behind Chill-N Nitrogen Ice Cream. You've never had a tasty treat like this before. Begin by choosing your wet ingredients — or elements — from the "Periodic Table" behind the bar. With everything from vanilla (Vn) and Nutella (Nt) to biscotti (Bs) to dulce de leche (Dl), there's plenty to drool over. Add some "mix-n's," such as Krispy Kreme (Kr), Oreos (Or), or even Pop Tarts (Pt). It all goes into a giant mixing bowl that's churned and injected with just enough nitrogen to start a real smoke storm. Don't worry — it's all very safe and fun, and nitrogen is delightfully tasteless and odorless. You can imagine any ingredient combination you want, or you can rely on special weekly "equations" for something new. Chill-N is a real labor of love — the website says Woodard and Golik spent "six months locked up in a garage and 3,456,789 brain-freezes" to get the science right. So indulge in a creamy cup at least once. Grab a regular cup for $4.55, or upgrade to a large for $4.95. Each additional mix-n costs 60 cents. You should probably go nuts. It's well worth it.