First Fix: How high is the sky?
March 15, 2023
When the U.S. Air Force shot down a Chinese balloon on Feb. 4, raising many questions about international security, international law, U.S.-China relations and technology.
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When the U.S. Air Force shot down a Chinese balloon on Feb. 4, raising many questions about international security, international law, U.S.-China relations and technology.
Since the initial instance of an unidentified object floating across U.S. airspace — later identified as a Chinese surveillance balloon — three additional unidentified aerial objects were spotted in North American airspace.
Experimenting with GPS on Board High-Altitude BalloonsIn this month’s column, we look at how a team of Dutch and Japanese researchers is using GPS to determine the attitude of a payload launched from a high-altitude balloon.
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