Invisible Ink Using Turmeric
Invisible Ink Using Turmeric
58.1K viewsAug 24, 2023
instructables.com
During World War II, a spy used invisible ink made from urine.#history #worldwar2
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Invisible Ink Chemistry – The Science of Hidden Messages #chemistry #invisible #ink #massage #shorts
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Factology Ai on Instagram: "Wars weren’t won only with swords. They were won with information 🗝️ But if a messenger was caught, maps and strategies could be exposed. So ancient spies needed a message… without visible words. They mixed lemon juice and onion extract, adding a specific protein from egg white to avoid shine on paper. Messages were written on palm leaves and left to dry — and they completely disappeared. To the enemy, it looked like a blank sheet. This wasn’t magic. It was organic o
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