University researchers have built a satellite that tracks people from low Earth orbit and launches a 5kg payload to within 0.1m of their location, traveling at Mach 25 to anywhere on Earth in less than 5 minutes. They suggest it can be used to pass greeting cards. ".
University researchers have built a satellite that tracks people from low Earth orbit and launches a 5kg payload to within 0.1m of their location, traveling at Mach 25 to anywhere on Earth in less than 5 minutes. They suggest it can be used to pass greeting cards. ".
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