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
Infographic: ElectricityA visual cheat sheet about electrical physics, containing the most important formulas of current and Ohm’s law expressed through an impossible water circuit analogy.(by Pierluigi Scotolati)
Save those paper rolls (paper towels, toilet paper, wrapping paper) add a few craft sticks and let the kids go wild coming up with marble slides and other ideas. You will be amazed at what they come up with for sure.
This Personal Pocket Safe USB flash drive requires a pin to ensure that your information is secure. Wait a minute why would you not want someone to look at your Universal Serial Bus Flash Dr- oh I get it.