A solar-powered airplane finished crossing the United States on Saturday, landing in New York City after flying over the Statue of Liberty during its historic bid to circle the globe, the project team said. The spindly, single-seat experimental aircraft, dubbed Solar Impulse 2, arrived at New York's John F. Kennedy International Airport at about 4 a.m. local time after it took off about five hours beforehand at Lehigh Valley International Airport in Pennsylvania, the team reported on the airplane's website. Such a pleasure to land in New York! For the 14th time we celebrate sustainability," said the project's co-founder Andre Borschberg on Twitter after flying over the city and the Statue of Liberty during the 14th leg of the trip around the globe. The Swiss team flying the aircraft in a campaign to build support for clean energy technologies hopes eventually to complete its circumnavigation in Abu Dhabi, where the journey began in March 2015. The solar cr...
By puffing air upwards through a crate of sand, a US research facility has tried how reptiles, crabs and robots adapt to ground that is pretty much "liquid". They say the contraption is similar to a wind burrow for examining development on flimsy surfaces. Tests of this kind could help outline robots to handle conflicting landscape -, for example, may be found on Mars. Until further notice, the group has distinguished key parts of leg shape and development that assist keep up with speeding on streaming ground. The outcomes show up in the diary Bioinspiration and Biomechanics. "The pioneers of flight took a gander at distinctive wing outlines in a wind passage, and now we can do this with mechanical configuration," said senior creator Daniel Goldman, from the Georgia Institute of Technology.By conforming the rate at which air is pumped through the sand, Prof Goldman and his group can control accurately how liquid the surface gets to be.
They utilized this framework to watch the movement of a six-legged "Sandbot", four types of little reptile and one crab, over a scope of conditions. At that point they displayed how the transaction of variables, for example, step rate, leg length and foot weight influenced the critters' advancement. Certainly enough, it was shapes and strides that minimize foot weight that were the most valuable on frail ground. "It's essential to comprehend the biomechanics and controls of good development," Prof Goldman said. "On the off chance that we can figure out how these creatures take care of the issue, we can improve robots."
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