Word: toed
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Dates: during 1970-1979
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Until now all space probes have been powered entirely by chemical rockets. Though they can develop enormous thrust, they are voracious consumers of fuel. In only nine minutes, the Saturn 5 moon rockets burned up 3,000 tons of liquid fuel. With such propellants, even larger rockets and exorbitant amounts...
The ion engine is far more economical. With electricity generated by solar panels, it strips electrons off the atoms of vaporized mercury passing through a coffee-can-like chamber, converting them to ions. Expelled at high speeds in a focused beam, the charged particles act like a rocket exhaust, propelling...
If Congress provides the needed funding, the probe will be carried into earth orbit by the space shuttle in the summer of 1985. Boosted by a conventional rocket, it will fly off toward the comet, gradually accelerated by its cluster of six or eight small ion engines, during the four...
Tiny but hardly fragile, she flew tourist class, praying briefly before the jet touched down at Oslo's Fornebu Airport. Dressed as always in blue-trimmed white sari and sandals, with a threadbare wool overcoat her only concession to subfreezing temperatures, Serbian-born Mother Teresa, 69, the "angel of...
Actress Jean Stapleton might well be considered a new driving force behind the Equal Rights Amendment. Currently on a ten-city tour with a production of George Kelly's Daisy Mayme, she has been steering limousine services onto the road toward employment equality by requesting female drivers whenever she...