The flush handle is pressed, lifting the flapper, setting in motion about 10 seconds of flushing genius. The lifted flapper releases tank water into the bowl via rim jets and the larger siphon jet.

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Do astronauts really flush waste into space? Not quite. NASA’s Orion spacecraft uses advanced vacuum-based systems to safely ...

Instead of water, airplane toilets use a vacuum mechanism to suck waste into a holding tank and, despite rumors, it's safe to flush while seated on the toilet. If you're reading this, you've probably ...

Air India has in recent months experienced recurrent disruptions of flights on its international routes due to the overflow of lavatories. The problem has attracted a lot of concern, with many raising ...