Culture
Finding Mecca the High-Tech Way: With a Light-Up Prayer Mat
The fabric glows when the pious point it toward the Muslim holy city.
Typically, to find the location of Mecca for the necessary five prayers per day, the world's 1.6-billion Muslims might use a Qibla compass or a street sign. Outdoorsy types might use the sun's location or moss on the trees. But in a world of ubiquitous GPS, surely there has to be a better, or at least nerdier, way.