Vsauce’s Emordnilap Machine
A word that’s the same forward as backward is called a palindrome. If the word spells a different word backward, it’s colloquially known as an emordnilap. To demonstrate this wordplay, Michael from Vsauce built a LEGO Technic machine that can reverse words with a simple motion. The device transposes each letter and flips it so it stays right-side-up.