When you gotta go, you gotta go–even at 30,000 feet. The alarming noise ensues when you press the “flush” button in an airplane toilet and the bowl’s contents are magically sucked away into oblivion.

How do you connect to the internet while barreling through the sky at 500 miles per hour? How can you brew hot food and drinks at high altitude? And most important of all, how does a toilet work at 40 ...

Instead of using water, airplane toilets use a vacuum mechanism to suck waste into a holding tank. The toilet system is safe to use while seated, as it is specifically tested that way. Avoid flushing ...