How LED's work - A light-emitting diode (LED) is a two-lead semiconductor light source. It is a pn-junction diode, which emits light when When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes wi
Need an emergency recharge for you phone? Do you have a car charger handy? Or a 9 volt battery and a quarter? Then you can recharge your phone during a power outage or if you're somewhere it isn't convenient
The GPS Homing Device. - - Product Description: This is the simplest portable GPS locating device available, ideal for finding your car after shopping or your hotel after a day of touring in an unfamiliar city.
Now you can have the luxury of a big screen movie in the palm of your hand! With a portable HD projector for your iPhone you can use your phone to project movies on screens up to 60 inches! The sky is limit; just plug and play your movies on any blank wal