The Philosopher’s Stone is Blue
Published in
7 min readJul 9, 2020
How Prussian Blue is Poised to Save Your Life
Around 1706, in what is arguably one of the most prolific scientific accidents of all time, a color maker working in a Berlin lab ran out of his normal potash (water-soluble potassium salts commonly used as a base) and borrowed some from the alchemist who ran the lab.
