Spring is here (for some of us), and you know what that means, cleaning time. If you happen to have any aluminum cans laying around, why not turn it into a Wi-Fi booster? To be more specific, you'll be crafting a parabolic reflector out of the can using nothing more than an aluminum can, a utility knife, scissors, and some adhesive putty. Users say they see on average a 2-4 bar increase in Wi-Fi signal. Continue reading for more.