One of many programming languages designed for aesthetic or comedic reasons, Shakespeare writes code in the form of Shakespearean plays. Variables are declared in the dramatis personae, Acts and Scenes are goto labels, dialogue becomes code, and so on.
The Great Wall of Gorgan in Iran is 195km long, making it the second-longest wall in history behind the Great Wall of China. Built by the Sasanian Empire in the 5th or 6th Century to keep out (probably) the White Huns, medieval tradition also connects it with Alexander the Great and his legendary Caspian Gates.
Traditionally, the bodily remains of saints are venerated as relics. But Jesus Christ ascended into heaven, which means no bodily remains… er, remain. Except for one.
James Eads How, known as the Millionaire Hobo, founded a series of “colleges” to house, feed, and educate the hobos of America.
A positron can be modelled like an electron that is travelling backwards in time. John Wheeler proposed that this could mean all electrons and positrons in the universe could in fact be the same particle, just bouncing back and forth across time.
Non-Newtonian fluids are usually liquid, but when force is applied they can change to be more solid or more liquid. Oobleck (a mixture of cornstarch and water) behaves like a liquid, but you can walk over it as if you were walking on water.