Body & Senses
Why Do Ears Pop on Airplanes?
Your ears pop because the air pressure outside changes faster than the pressure inside your middle ear can equalize. Here is what is happening and how to fix it.
earspressure
Technology
Why Does Airplane Mode Exist?
Airplane mode exists because mobile phones transmitting signals can potentially interfere with an aircraft's navigation and communication systems, and turning off those transmissions eliminates the risk.
technologyradio interference