OK, so you are thinking Gallium can’t be any more fun than Mercury, but I reckon I can convince you.
Mercury is already molten at room temperature, it melts at -38C which for most of us is a bit inconvenient (with a nod to my Canadian readers). Gallium, by contrast melts at a balmy +29C - just below body temperature.
That means that if we hold a solid bit of Gallium it will melt in our hands – can you imagine that?
Which leads me onto how I know about Gallium – I was just reading a review on a book called “Fun and Intrigue with the Periodic Table”. I know, that sounds improbable, but from the review it sounds excellent – Ican’t wait to read it. Anyway it mentioned a trick involving a disappearing teaspoon – the teaspoon is made from Gallium. (It also explains how a USA senator campaigned for office with blue skin…like one of the Intel men!)
Gallium has the additional benefit of being non toxic, so it is OK to play with it.
Gallium is also readily available on ebay…
I want some. But more likely my boys will get some for Christmas – educational & fun, you see.








