Word: fasts
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Dates: during 1990-1999
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Einstein's conclusions became known as the special theory of relativity. No matter how fast one is moving toward or away from a source of light, the speed of that light beam will appear the same, a constant 186,000 miles per second. But space and time will appear relative. As a train accelerates to near the speed of light, time on the train will slow down from the perspective of a stationary observer, and the train will get shorter and heavier. O.K., it's not obvious, but that's why we're no Einstein...
...distant cities became linked through commerce (much of it orchestrated by written contract), culture acquired a kind of disaster insurance. Any valuable meme--the concept of the chariot or of coins--would spread so fast from city to city that it could survive any catastrophes that afflicted its birthplace. The world's data-processing system was getting better at making backup copies...
...chains of inspiration" by which one idea sparked another. But, as we've seen, chains of inspiration had been vital to the whole history of technical advance, even the glacial process by which the stone flake inspired the inventor of the stone knife. What was new was how fast the chains were being forged, even across great distances...
...happened so fast. One minute Madama Butterfly was on the Gramophone, Harold Bell Wright's The Shepherd of the Hills was on the reading table, the pretty Gibson Girl you had seen in a magazine was on your mind. You wondered if you wanted to see Maude Adams in her return engagement as Peter Pan. Or perhaps brave the odors and chatter of the nickelodeon to catch that spunky new girl--her name, unpublicized at the time, was Mary Pickford--people were talking about in Ramona...
...Prince Henry the Navigator of Portugal organized a naval academy of engineers, mapmakers and ship's pilots. Borrowing from Arab vessels, they designed the first caravels. Propelled by lateen rigging, the three-masted ships were fast and tacked into the wind...