November 29, 2021

Video: How oxygen masks brought down a plane

Credit: The American Chemical Society

When oxygen masks drop from the airplane ceiling, they're not connected to a big tank of gas. Instead, a chemical reaction supplies oxygen to passengers.

But in 1996, this safety feature brought a plane crashing down into the Florida Everglades, killing all 110 people aboard:

Provided by American Chemical Society

Video: How oxygen masks brought down a plane

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