Milton Garces takes viewers through his studies on infrasonic waves; Ziya Tong visits a group of professionals redesigning wheelchairs; WIRED SCIENCE checks in with mechanical engineers to make sure every baseball that makes it to a major league game has the correct degree of hardness and bounce; and Adam Rogers travels to Oakland, California, where he tests out the "shot spotter" as he rides along with Oakland police.

Milton Garces takes viewers through his studies on infrasonic waves; Ziya Tong ...