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Laboratory experiments show that semiconductor nanowires can be tuned over wide energy ranges Nanowires promise to make LEDs more colorful and solar cells more efficient, in addition to speeding up computers. That is, provided that the tiny semiconductors convert electric energy into light, and vice versa, at the right wavelengths. A research team at ...
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Tunguska inspires new, more optimistic asteroid predictions Every single day, many tons of tiny rocks - smaller than pebbles - hit Earth's atmosphere and disintegrate. Between frequent shooting stars we wish on in the night sky and the massive extinction-level asteroids that we hope we never see, there is a middle ...
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Space connections provide liftoff for Houston's tourism industry The space industry has been part of Houston's tourism draw for decades, attracting visitors to the Lyndon B. Johnson Space Center, where NASA trained astronauts, conducted space-related research and controlled missions to the moon. International visitors ...
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Apollo 11: Israel's crash-landing makes it 6th nation to reach moon's surface When the Beresheet spacecraft crash-landed on the moon in April, Israel joined a small number of nations that have managed to send vehicles to the lunar surface. Despite the failure, that elite group – which also includes the U.S., India, China, the Soviet ...
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Incredible Observation Links Two Different Radioactive Phenomena Inside A Thunderstorm Scientists in Japan reported seeing two radioactive weather phenomena at the same time, for the first time, according to a new paper. The observation establishes a link between the two, adding to our knowledge of the wild physics that takes place inside ...
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Over 50 lakes discovered beneath Greenland Ice Sheet Scientists have discovered 56 previously uncharted subglacial lakes beneath the Greenland Ice Sheet bringing the total known number of lakes to 60. Although these lakes are typically smaller than similar lakes in Antarctica, their discovery demonstrates that ...
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A Martian methane belch melts away By Agence France-Presse. The mystery of the Martian methane continues. NASA's Curiosity Rover last week detected the highest ever levels of the colorless, odorless gas over the course of its seven-year mission on the Red Planet, raising hopes it could be ...
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5 Unique Space Science Missions That ISRO Will Be Flying in the Near Future Given ISRO's fairly nascent space science program, the boost to such missions as discussed in its annual report only bodes well for the Indian space programme. Jatan Mehta · The Sciences. 5 minutes ago. The Indian Space Research Organisation's (ISRO's) ...
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