Day 117: Lead

Clockwise from left: some lumps of lead (from Wikimedia Commons), lead has historically been used in architecture such as roofing (from jtcroofing.co.uk), lead as it appears in the periodic table. A metal element, famous for its radiation blocking and toxicity, is our last of the elements with Latin letters in its symbol. Lead (or plumbum,Continue reading “Day 117: Lead”

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