Technology / Home Audio / Dc: Direct Current.
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Technology / Aviation / Adcock Range: National low-frequency radio navigation system (c.1930-c.1950) replaced by an omnirange (VOR) system. It consisted of four segmented quadrants broadcasting Morse Code 'A' (dot-dash) and 'N' (dash-dot) MORE
Science / Tides and Currents / Acoustic Doppler Current Profiler (ADCP): Current measuring instrument employing the transmission of high frequency acoustic signals in the water. The current is determined by a Doppler shift in the backscatter echo from plankton, suspended s MORE
Technology / Motors / Series Dc Motors: Where high starting torques are required for a DC motor, the series motor is used. The load must be solidly connected to the motor and never decrease to zero to prevent excessive motor speeds. The loa MORE
Technology / Television (TV) / Terrestrial Broadcasting: A broadcast signal transmitted 'over-the-air' from a ground-based transmitter to an antenna. MORE
Business / Finance / Midcap Spdrs: This is the same as a SPDR, except that the index it tracks is Standard & Poor's Midcap 400. This SPDR also trades on the AMEX, under the symbol MDY. MORE
Health / Massage / The Centers For Disease Control And Prevention (CDC): The Centers for Disease Control and Prevention , the US agency charged with tracking and investigating public health trends. The stated mission of the CDC is 'To promote health and quality of life by MORE