Bismuth is non-toxic, at least, it is not bio accumulative so you would need to consume a whole lot at one time to have issue. The bismuth compound bismuth subsalicylate is the active ingredient in Pepto Bismol. It is the most highly diamagnetic element known, and is slightly radioactive with a half...By: NightHawkInLight
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from Instructables: exploring - technology - robots http://ift.tt/19pTdIy
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