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NASA and SpaceX completed a launch escape demonstration of the company’s Crew Dragon spacecraft and Falcon 9 rocket Sunday. This was the final major flight test of the spacecraft before it begins carrying astronauts to the International Space Station under NASA’s Commercial Crew Program. NASA and SpaceX completed a launch …

Tiny crystals in Australia are helping scientists unlock the ancient history of our planet’s first magnetic field, which disappeared hundreds of millions of years ago. And the crystals show that this field was a lot more powerful than anyone believed. That, in turn, could help answer a question about why …

Peter Waters G3OJV has produced a series of videos taking a look at the small garden problems relating to HF operation. Watch Ham Radio HF – The Small Garden Problem [embedded content] Other videos in the series can be seen at https://www.youtube.com/user/watersstanton/videos