Anyone who has ever owned a television set with an antenna, or a radio, probably heard of the tin foil trick for improving signal. Well, you can try the same with an aluminum can to better your Wi-Fi signal. Put simply, the metal and shape of the can (when cut open) can help focus the signal to and from a router. The only things you’ll need for this project are a soda can, utility knife, scissors, and some form of removable adhesive (tape, putty, etc.). Continue reading for more useful life hacks for college students.