Computer engineers Perando and Dirain display a prototype of their team's invention called the "Wearable Obstacle Detection System and Braille Cellphone for the Blind" at Mapua University in Manila

 
Computer engineers Perando and Dirain display a prototype of their team
Computer engineers Girly Perando (L) and Janiena Roxanne Dirain display a prototype of their team's invention called the "Wearable Obstacle Detection System and Braille Cellphone for the Blind" during a presentation at Mapua University in Manila March 7, 2012. The invention, which can detect obstacles within a range of five metres, also serves as a mobile phone with a Braille keypad for the visually impaired. The invention cost around six thousand pesos ($142) to construct. REUTERS/Romeo Ranoco (PHILIPPINES - Tags: SOCIETY HEALTH)