Before the coronavirus, an average of more than one million people were traveling by plane at any given time. The pandemic reduced the number to less than 100,000. MADE looks at the numbers on the pandemic’s impact on the airline industry.
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Before the coronavirus, an average of more than one million people were travelling by plane …
Bird formations have inspired researchers conducting tests to see if flying aircraft close together could make use of "wingtip vortex" effect to make them more economical.