Do you know what’s behind your cell phone keypad or illuminated keypad? It’s the tiny LED that backlights it all. LED pretty much occupy each and every part of electronic gadgets ranging from warning lights to tail lamps of cars. The interesting fact of LEDs is that they could be used as Wi-Fi “access points” in the near future. Amazing isn’t it! A group of researchers at Boston University have been funded by the US National Science Foundation for their upcoming LED Wi-Fi project.