This effect can be beneficial. Swap the mercury for gallium and you get a neat w...

		tjmc on March 18, 2009 \| parent \| context \| favorite \| on: Why mercury is forbidden aboard airplanes This effect can be beneficial. Swap the mercury for gallium and you get a neat way of producing hydrogen on demand: http://cleantech.com/news/1205/gallium-and-aluminum-tigers-i... Too heavy for aviation but potentially useful for fuel cell vehicles.