TechPi Wireless Charger Powers Up Your Phone From A Close Range, No Pads Or Wires Needed Startup company Pi wants to change how wireless charging works. Instead of placing phones on pads, it wants people to have their devices charged simply by putting them within close range of the Pi Charger.by Carl Velasco
WATCH: Runner Spends Year Using Exercise Tracker to Create Elaborate Stick Figure Art on City Streets
