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Adaptor causes failure of S. Korean rocket Naro - YouTube
https://www.youtube.com/watch?v=BR0Ut8bmrKw
South Korea's Science and Technology ministry says a a defective adaptor caused the launch failure of its Naro-1 space rocket last month.
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The Navy's Giant New Electric Railgun - YouTube
https://www.youtube.com/watch?v=eObepuHvYAw
It sounds like science fiction, but the Navy is ready to put an electric gun into shipboard testing at sea Read more: http://spectrum.ieee.org/video/transpor...