Non-Toxic Liquid Metal

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Mercury is fun, but notoriously dangerous. Luckily there is gallium. Gallium will freeze into a solid at room temperature, but melt back into a liquid right in your hand. It is non-toxic and safe to handle for long periods of time (you still shouldn’t ingest it, though). It is the second best way to teach your children that chemistry can be fun. The first best way is to make them watch Breaking Bad. You can buy both gallium and seasons 1 through 4 of Breaking Bad at Amazon.com. Just click the link below.
 


 

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