Why Can't You Bring Mercury Thermometers on Planes?

The video explains why mercury thermometers are restricted on planes, highlighting mercury's unique properties, such as its high thermal expansion and ability to form amalgams. It discusses the dangers of mercury reacting with aluminum, which can compromise airplane safety. The video also notes that modern thermometers typically do not contain mercury due to its toxicity, aligning with air travel safety regulations.

Describe the process that occurs when mercury reacts with aluminum.

Why are modern thermometers preferred over mercury thermometers?