CAIRO — Using modern technology to serve Muslims better perform their religious rituals, a fourth-year PhD computer science student has designed a high-tech prayer rug equipped with sensors, lights and a Qur'an display screen. "It will increase their understanding of the scriptures and the quality of the prayer," inventor Wael Aboulsaadat told the Toronto Star on Thursday, May 15. Aboulsaadat, studying for his PhD at the University of Toronto's computer science department, has designed a prayer rug with built-in sensors that can detect the worshipper's posture. If the user makes an error, such as missing or adding a step in...