Why Crayons Became a Tool for Scientific Espionage
The idea of crayons—those waxy sticks of childhood nostalgia—being weaponized for scientific espionage sounds like something out of a spy novel. But, believe it or not, these colorful tools have had a secret life far beyond finger-painting fiascos and grocery store aisles. What is it about crayons that caught the attention of top-secret labs and … Read more