![]() | Build a Solar-powered iPhone Charger
How many times has your cell phone died in the middle of the day because of its lousy battery life? You have several options: you could recharge via wall socket, via USB, through an external battery or the green way, with a DIY solar iPhone... |
![]() | POV iPhone App Writes Messages in Midair
We've seen plenty of persistence of vision (POV) projects using LEDs but this is the first non-LED version we've seen. The new Light Writer app allows you to write messages or display clipart when you wave your arm through the air. Check out some... |







