Why is copper such a good conductor and used so often in electronics? And silicon--what's up with it too? I know silicon is just below carbon on the periodic table, so why is it so different and why is it used for circuit boards? What atomic, molecular, and chemical properties explain its popularity in electronics? I ask the same about...

I need a power supply for Linksys PAP2 Phone adapter VoIP. What is the voltage and wattage on it? It is Linksys Phone adapter by Cisko Systems with 2 Ports for Voice-over-IP. Can somebody who have one of those post the specs from the power supply? Output volts and wattage. Thanks. Power Supply: Switching Type (100-240v) Automatic DC Input Voltage:...

Can you use Guitar Hero 3 wireless controllers for GH1 on PS3? So i found my GH1 and wanted to play it on my PS3 and my wireless controllers for GH3 are no working. The sensor portion that plugs into the PS3 is not lighting up, like it is not recognizing it. Is there some sort of fix for this?...

What type of analog controller should be used for Controlling light intensity of a filament lamp? What type of analog controller should be used for Controlling light intensity of a filament lamp, should it be a Propotional, PI(Propotional-Integral), PD(Propotional-Derivative), or PID(Propotional-Integral-Derivative). Keeping in mind that Filament lamp is a resistive load and is Zero order, and also that the filament...