From a tiny sample of tissue no larger than a grain of sand, scientists have come within reach of a goal once thought unattainable: building a complete functional wiring diagram of a portion of the ...

Researchers say they have mapped more than 200,000 cells in a cubic millimeter of brain tissue and have traced how they're all connected.

The hot wire is always smooth. Examine the screw terminals on the new lamp socket. When wiring a lamp socket, the brass screw ...

Always check that the amperage and voltage ratings of your new outlet match those of the breaker. While 15- and 20-amp ...

Wall mounting ... the existing outlet to get power up to your fireplace. We also advise you to have the electrician run additional A/V cables for you. HDMI, coaxial, and speaker wire are never ...