November 2025 Update Discussion Thread

[evansd2]

Called it.

Maybe you can get back to work now.

December 2025 Update

A leaf, a lie, and a laser In 1739, Benjamin Franklin had a problem. Counterfeiters were flooding Philadelphia with fake currency, and the crude crests and stiff portraits that were the stuff of normal engravings were too easy to copy. So he picked a sage leaf. Franklin developed a secret technique to cast lead molds directly from the bounty of his backyard. The resulting prints captured the microscopic, chaotic network of veins—a biometrics system made of chlorophyll. It was nature’s own encr…