The picture with the hand holding the bottle is from here.
http://sci-toys.com/scitoys/scitoys/...uid_metal.html
I read that page probably a year ago and the interesting tidbit it contains is this.
Quote:
In the same way that mercury alloys with other metals to make amalgams, gallium also alloys with other metals. When a small drop of gallium is placed on aluminum foil, for example, it will combine with the aluminum to make a liquid with a crusty surface, as in the photo below.
The alloy eventually combines with all of the aluminum, dissolving a hole in it.
If a drop of water is added to the resulting bead of liquid metal, the water combines vigorously with the aluminum, making a hot solution of caustic aluminum hydroxide.
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