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Rough and gray as rock, I'm pl...

Rough and gray as rock, I'm plain as plain can be. But hidden deep inside there's great beauty in me. What am I?

Correct answers: 141

The first user who solved this task is Sanja Šabović.

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The past didn't turn out like you wanted

Just because the past didn't turn out like you wanted it to, it doesn't mean your future can't be better than you ever imagined.

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Vannoccio Biringuccio

Born 20 Oct 1480; died c. 1539 . Italian metallurgist and manufacturer of armaments. As head of the Papal foundry (for Pope Paul III) and a contemporary of Leonardo da Vinci, he wrote detailed observations of foundry practice. HisDe la pirotechnia (Concerning Pyrotechnics, 1540) was the first significant 16th-century reference book on metallurgy—the “pyrotechnical arts.” With lavish woodcut illustrations, published postumously, it was a practical guide for distilling liquids, refining metals and mixing gun powder. It dealt with gold, silver, iron, copper, tin, steel and brass; the preparation of ores for smelting, refining, alloying; casting, cutting and making moulds. He also described the preparation and use of rockets in warfare and festivals.«

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