Word: watt
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...Smith went to South Africa to take a business course at Rhodes University, then returned home to Selukwe, where he fell in love with an attractive young schoolteacher named Janet Watt. They were married in 1948, and Smith decided that he would enter politics. "I thought he was crackers," recalls his wife, "but no one can influence my husband once he has made up his mind...
...lots of fluorescent lights, all of which have built-in ducts that trap over 60% of their heat.* The ducts also collect the heat produced by the students' bodies-which is surprisingly high. One average-size incumbent 15-year-old throws off more heat than a 100-watt bulb. Recovered and recirculated by fans, this heat from the lighting and the building's occupants has proved more than enough to keep the building warm even when the outside thermometer reads 18°. The excess is transferred to heating coils in two 12,000-gal. water tanks. When...
...blades shone purple from the thin sapphire-glass coating that protects their 28,224 tiny solar cells from radiation damage. Its silvery octagonal body, made of magnesium and aluminum alloy, carried 138,000 components, including 31,696 delicate electronic components ranging from a computer to a small, lO½-watt radio transmitter. It was programmed and equipped to send to Earth a continuous stream of reports on 39 scientific and 90 engineering measurements. Crowded into the spacecraft were a new type of helium gas magnetometer to study magnetic fields, an ionization chamber and Geiger counter to measure galactic cosmic rays...
Because of the great distance and the craft's weak 10½-watt radio transmitter, it took 8 hr. 35 min. to transmit the coded data that made up one picture. And by the time the signals reached a tracking station, they were no stronger than one-billionth of one-billionth of a watt. Those faint whispers were picked up by big-dish antennas and amplified a thousand times as they were piped through a liquid helium maser. So slow was the transmission rate that no complete picture could be received at any one tracking station. As the Earth...
WHRB has already opened another drive, this one with a $19,000 goal, a new 3000-watt stereo transmitter to replace the present 880-watt power supply...