Ranked #69 in Material Science
For centuries, blue and purple dyed fabrics ranked among the ancient world’s most desirable objects, commanding many times their weight in gold. Few people knew their secrets, carefully guarding the valuable knowledge, and strict laws regulated their production and use. The Rarest Blue tells the incredible story of tekhelet, the elusive sky-blue color mentioned throughout the Bible. Minoans discovered it; Phoenicians stole it; Roman emperors revered it; and Jews—obeying a commandment to affix a thread of it to their garments—risked their lives for it. But as the Roman Empire... more