Carrying a lightbulb around in your pocket has always led to precariously sharp pocket lint. Or worse. Or worser.
One visionary has steamrolled Edison's design with this credit card light bulb. Tiny LEDs take the place of fragile incandescents, popping out to spread their light through a murky matrix of plastic and unidentified floating flecks—all of it shaped like our old pal the light bulb.