Popular Mechanics has never been hotter! Olivia Munn graces the cover of the mag’s February 2015 issue, and inside its pages, the Mortdecai star gets geeky talking about her love for gadgets and also shows off some serious cleavage. Don’t be confused by the 34-year-old actress’s feminine curves, though—she’s a total tomboy. She recalls, “My sisters were always doing makeup and curlers, and I wasn’t interested in that. As early as I can remember, when we’d all be kicked outside for the summer, my brothers and I would make a huge fort and string out the electricity from inside and build an air-conditioning unit. In the winter we built igloos. We made them so perfect that we’d be sweating inside. For fun, occasionally we’d decide to do something like make our own batteries out of pennies. We’d just create.”