When It's Really Worth It To Buy A Certified Pre-Owned Car

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SpaceX successfully launches and lands a used rocket for the second time

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SpaceX successfully launches and lands a used rocket for the second time http://ift.tt/2tY2dQ6 SpaceX has successfully launched and landed a recycled Falcon 9 rocket for the second time. The rocket’s first stage — the 14-story-tall core that houses the fuel and the rocket’s main engines — touched down on one of the company’s autonomous drone ships in the Atlantic Ocean shortly after taking off from a launchpad at nearby Cape Canaveral, Florida. It’s the 12th time SpaceX has successfully landed one of these rocket stages, and the seventh time it’s performed the feat at sea. This particular rocket previously flew in January, when it was used to put 10 satellites into orbit for communications company Iridium. The rocket then landed on a drone ship in the Pacific Ocean. SpaceX retrieved the rocket and spent the next few months refurbishing it in preparation for today’s launch. The landing wasn’t easy, though. Because the rocket had to push BulgariaSat-1 to such a high orbit, the ...
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How to capture videos of brains in real time

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How to capture videos of brains in real time http://ift.tt/2sTaUgJ Individual neurons firing within a volume of brain tissue (credit: The Rockefeller University) A team of scientists has peered into a mouse brain with light, capturing live neural activity of hundreds of individual neurons in a 3D section of tissue at video speed (30 Hz) in a single recording for the first time. Besides serving as a powerful research tool, this discovery means it may now be possible to “alter stimuli in real time based on what we see going on in the animal’s brain,” said Rockefeller University’s Alipasha Vaziri , senior author of an open-access paper published June 26, 2017 in Nature Methods . By dramatically reducing the time and computational resources required to generate such an image, the algorithm opens the door to more sophisticated experiments, says Vaziri, head of the Rockefeller Laboratory of Neurotechnology and Biophysics . “Our goal is to better understand brain function by monitor...
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New 3-D model predicts best planting practices for farmers

New 3-D model predicts best planting practices for farmers http://ift.tt/2t3Keus The University of Illinois and the Partner Institute for Computational Biology in Shanghai developed a computer model to predict the yield of different crop cultivars in a multitude of planting conditions. Published in BioEnergy Research, the model depicts the growth of 3-D plants, incorporating models of the biochemical and biophysical processes that underlie productivity. Singularity via http://ift.tt/orfraw June 23, 2017 at 01:02PM
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