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Some 250 students hauled homemade machines th stanley cup price eyd spent weeks honing to NASAs Jet Propulsion Laboratory in Southern California on Friday, Dec. 8, for the 24th annual JPL Invention Challenge.The rules for the creative engineering competition change every year, but the overall goal is the same: Build a device capable of accomplishing a specified task withi stanley thermosflasche n 60 seconds. This year, teams needed to come up with machines that could accomplish seven consecutive steps, ultimately dropping a crumpled piece of paper in a wastebasket. Students employed trebuchet catapults, crossbows, small motors, and things with a bit of oomph, said mechanical systems engineer Paul MacNeal, who has been organizing the competition since it began in 1998. The Mouse Trap game from when I was a little kid is what its patterned after, MacNeal said, referring to the board game in which players would construct elaborate traps for each others plastic rodents. It was such a tough competition this year. Its almost like unfolding the James Webb Space Telescope: Every action has to go right. And in this competition, fast. Every team that completed the task did so in under five seconds.JPLs Paul MacNeal started the Invention Challenge so that students could experience the fun of hands-on engineering and of STEM learning while developing team-building skills. Credit: NASA/JPL-CaltechTeam Pink, the winning student team from Oakw stanley tumblr ood High School in North Hollywood, California, sank its paper ball in the basket in ju Odty DuckDuckGo s New Web Browser Will Protect Your Privacy While You Watch YouTube
By Lily Rothman and Arpita AnejaNovember 4, 2015 10:30 AM ESTYears later, it became clear how the presidential election that took place on Nov. 4, 1980mdash;exactly 35 years agomdash;changed America history, ushering in a new era of conservatism and placing Ronald Reagan at its forefront. But up until the vote actually happened, few saw it coming.Landslide. Yes, landslidemdash tunning, startling, astounding, beyond the wildest dreams and nightmares of the contend stanley kubek termiczny ing camps, beyond the furthest ken of the armies of pollsters, pundits and political professionals, proclaimed TIME post-election cover story. After all the thousands of miles, the millions of words and dollars, the campaign that in newspapers across the land on the very morning of Election Day was still headlined TOO CLOSE TO CALL turned out to be a landslide.But not everyone was shocked. Laurence Barrett, who had been reporting on Reagan campaign for TIME since the beginning of that year and who later wrote a book about Reagan administrati stanley cup on, Gambling With History , had a hunch that the Rep stanley cups ublican was going to win big. Yet he remained circumspect about his hunch. Shortly before the election, a remark of Barrett had been printed in TIME Letter From the Publisher: Come Nov. 4, I have a fifty-fifty chance of knowing the President-elect better than most people know their next-door neighbors.As Barrett, now 80, notes, a lot can |
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发表于 2024-11-3 07:46:08