United Airlines just made their boarding process faster. But an astrophysicist says there's still a quicker way.

United Airlines just made their boarding process faster. But an astrophysicist says there's still a quicker way.

United Airlines is introducing a new system for boarding passengers. Smith Collection/Gado/Getty Images. <ul><li>United Airlines introduced a new system for boarding passengers on October 26.</li><l… [+3257 chars]

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