Word: greenwood
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Dates: during 1970-1979
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Princeton, which has yet to win the title, has good balance in both the field and the running events. It is stronger in the field, however, where it could take as many as four firsts. In the 35-pound weight throw Greenwood of Princeton is a sure bet, while the shot shapes up as a battle between Jay Hughes of Harvard and the Tiger weight...
...wearing his red, white and blue silks, he boarded a helicopter waiting on the track's infield, shuttled to the Teterboro, N.J., airport, transferred to a chartered jet, flew to the Toronto Island Airport, took a speedboat to the mainland, jumped into a police car and arrived at Greenwood Raceway just in time to take another turn around the track. His record for the day: three wins, two places and three shows in ten starts...
Distinctive Field. The idea comes from Physicist Kurt Greenwood of the British textile industry's Shirley Institute in Manchester; he has been studying ways of reducing the static electricity built up by walking across carpets and other floor coverings. Greenwood knew that static electricity may be generated wherever a shoe rubs against a rug. His research had further established that the charge can persist for hours (particularly on some synthetic rugs in dry air) and that the shape of the charged area conforms to the shape of the sole and heel that created it. Those facts were of particular...
...Greenwood strode purposefully across some synthetic carpeting and then rolled thousands of tiny plastic beads across it. Most of the beads could be easily blown off the rug. But some stuck in place, attracted by the local static charges that Greenwood had created by his walk. In fact, they formed clusters that looked like footprints wherever his heels and soles had come in contact with the carpet. Greenwood found that he could use the beads to detect his shoeprints up to a day after he had walked across...
...Greenwood's technique is obviously cruder than fingerprinting, and could provide only an indication of the size and shape of a criminal's shoes. Still, the Home Office, which encouraged Greenwood in his research, has hopes that the technique will prove useful to detectives. Electrostatic shoeprints, for instance, could give some hint of the size and sex of a culprit, reveal how many people were involved in a caper and even allow police to trace their movements...