hayden parker gallium demo Showing Off Aluminum's Natural Reactivity via Gallium Alloy

Very interesting vid from 18-year-old Hayden Parker, who impressed me greatly with his animated chemistry demonstrations at Maker Faire. Metallic aluminum can be dissolved in liquid gallium to create an aluminum-bearing alloy that is liquid at ambient conditions. Because it can flow in the alloy, the aluminum cannot form a stable passive oxide layer and will react violently with water, which nicely demonstrates the normally-hidden high natural reactivity of metallic aluminum.

More:

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.


Related
blog comments powered by Disqus

Related Supplies at Maker Shed

Follow

Get every new post delivered to your Inbox.

Join 28,391 other followers