How do gallium thermometers differ from mercury thermometers?

Gallium thermometers contain a material called Galinstan which is a eutectic alloy of Gallium,Indium, and Tin which melts below the freezing point of water. This makes it useful for normal thermometer use where a mercury thermometer may be undesirable due to mercury's toxicity. read more

Gallium thermometers contain a material called Galinstan which is a eutectic alloy of Gallium,Indium, and Tin which melts below the freezing point of water. This makes it useful for normal thermometer use where a mercury thermometer may be undesirable due to mercury's toxicity. read more

By the way, you have probably destroyed the casing of your computer. Gallium (not sure about the exact alloy used in thermometers, but it contains a lot of gallium) will destroy aluminium.You might not notice it immediately, but the structural integrity of the case will eventually cease to exist. read more