One of the problems with space travel is how wasteful it is — the rockets that help propel space shuttles into the atmosphere fall off once they reach a certain height and are often completely unsalvageable after they crash back down to Earth. However, Tesla CEO Elon Musk’s company SpaceX has just posted a new video showing off its Falcon 9 Reusable (F9R) rocket in action and it looks like the team at SpaceX have done some mind-blowing engineering work. As you can see, the video shows the F9R taking off and then hovering 250 meters in the air before slowly descending and then gently landing right back on the launch pad it took off from. Musk and SpaceX are working
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