How does wifi work?

Wifi seems like magic! It lets us send information from routers to computers through the air!. But how does it work? Are there magical computer data tubes? Lasers? Tiny invisible falcons carrying messages incredibly quickly? We asked computer scientist Vikram Iyer to help us find the answer.Got a question about who, what, when, where, or WHY-fi? Send it to us at BrainsOn.org/contact, and we’ll signal you an answer!