November 9, 2007, Newsletter Issue #89: Altitude and Plasma Screen Televisions
Tip of the Week
One specific downside of plasma screen televisions occurs only at high altitude. The central component of the television, the screen itself, is a pressurized sandwich of glass and gas. During normal television operation, the gas within expands and contracts as the televisions electrical matrix activates it. This expansion and contraction is very slight, and isn't noticeable at all at normal air pressure. At higher altitude, where the air pressure is lower, the expansion is more noticeable and creates a vibration throughout the screen. This vibration creates a noticeable buzzing sound.
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