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发表于 2024-10-28 12:49
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Miami Speedway in Homestead, Fla., was the place to be late last month for an unusual two-day competition: the DARPA Robotics Challenge Trials. But if you went expecting high-octane cars zooming around the track at blazing speed, you might have been disappointed. The 16 robots participating in the challenge moved more like the tortoise than the hare, as they performed such tasks as opening doors or climbing a ladder; tasks aimed to speed the development of robots that could one day perform a number of critical, real-world, emergency-response tasks at na stanley thermoskannen tural and human-made disaster sites.After the March 2011 Fukushima nuclear accident in Japan, the U.S. government s Defense Advanced Research Projects Agency DARPA created the Robotics Challenge. Its goal is to develop ground robots that can work in stanley cups dangerous, degraded, human-engineered environments.At the Miami Speedway, the robots competed against each other in a series of tasks, each worth a maximum of four points. Tasks were subdivided into parts depending on the number of sub-tasks involved. For instance, if there were three doors for the robots to open, each part was worth one point, and so on. The fourth and final point was a bonus awarded if the robot completed all three tasks without any direct physical human intervention. Each team had 30 minutes to complete a task.While most of the entries were engineered to resemble humanoids with two legs, JPL s Robo vaso stanley Simian tackled tasks like climbing over rough terrain on all Cewc Senior Military Leaders Discuss Potential Deployment, Logistics Challenges
Vassar College astronomer Maria Mitchell and her 1878 eclipse viewing party in Denver.Archives and Special Collections, Vassar College LibraryBy Olivia B. WaxmanAugust 18, 2017 9:00 AM EDTAs Americans buy up special eclipse glasses and flock to one of the dozen states that will see a total solar eclipse on Monday, stanley cup authorities have become concerned about whet stanley tumbler her there will be enough bathrooms, hotels, restaurants or supermarkets to sustain these tourists.The hype surrounding this summer eclipse is remarkably similar to the kind that swept the U.S. in the walk-up to the eclipse of July 29, 1878, which was seen from the Montana territory to Texas, says David Baron, author of American Eclipse. Astronomer Fredrich Bessel had finalized the math necessary to predict solar eclipses in 1824 stanley flaschen and the transcontinental railroad had been built in 1869, so the ingredients were in place for a much-anticipated event. The U.S. Naval Observatory helped gin up enthusiasm by publishing a booklet of instructions, which included information about what to expect on the big day: The following phenomena will be seen during the totality, if the sky is clear. Just as the sun last ray fades out, some glowing points of light will start into view, hanging upon the edge of the black moon and glistening like rubies; while surrounding the whole will be seen a halo whose mild radiance reminds the beholder of the glories with which the painters of old adorned the heads of sa |
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