
Discover scienceMark Rober, a former NASA engineer, demonstrates the fluidized effect of air pressure on the sand in the video that attracts more than 5.7 million views on YouTube, acco…
December 18, 2018

Space scienceCases that caught UFOs from cone-shaped blue light trails appeared in the sky to a strange spaceship cloud that often caused fever on the Internet, drawing a lot of cont…
December 17, 2018

New technologyEngineers at NASA have created such a durable knife that you never have to grind it.
December 12, 2018