Gallium Is A Metal That Melts In Your Hands
When you think of metal, you most likely think of strength and toughness. The element gallium is an unexpected metal in that regard. It's a soft, silvery-white metal that is solid at room temperature, similar to aluminum, but it can literally melt in the palm of your hand. The melting point for gallium is relatively low, at 85.6°F (29.8°C). However, the boiling point for this element is quite high, at 4044°F (2229°C). This quality makes gallium ideal for recording temperatures that would destroy a thermometer.
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Key Facts In This Video
Gallium is a solid metal at room temperature, but it melts in your hands. (0:09)
When gallium is in its liquid state, if feels like cold melted solder in your hands. (0:33)
Melting gallium onto aluminum makes the aluminum brittle enough to break with your fingers. (1:35)