Humans have been studying and playing with light for millennia — from the ancient civilizations using rock crystals to magnify objects and focus sunlight to ignite fires, to Galileo who sparked the ...

This photo from the early 1900s depicts a man carrying a giant head in a wheelbarrow. Rijksmuseum A man carries a giant head in a wheelbarrow. Massive geese roam a park. Adolf Hitler puts on a Karl ...