Machines: How They Work
How a paintball gun, a floor scrubber, and an ice machine really work.
How a paintball gun, a floor scrubber, and an ice machine really work.
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Deep in the Iraqi desert, a ziggurat towers over the remains of an early civilization.
Only one Egyptian pyramid was ever constructed to look like it floats on water.
Experts explore sunken ruins and reveal new discoveries about one of the first great empires.
A prehistoric structure emerges from the sands of an English shore.
The Tower of London is a centuries-old castle used as a prison steeped in blood and intrigue.
Scientists use technology to discover Venice's ancient foundations.
King Midas and his legendary golden touch is one of the most famous tales in Greek mythology.
According to legend, the ancient Roman city of Hierapolis hides a secret portal to the underworld.
The Pantheon is a 2,000-year-old temple with a secret; experts find out why it was built.
The ancient city of Petra, a city carved from desert rock, baffles experts for decades.
New evidence uncovers the ancient mysteries behind the iconic Colosseum.
The Taj Mahal is one of the world's most beautiful monuments; new investigations reveal its secrets.
New discoveries tell a story of jealousy, betrayal, and a new religion that changed Egypt.
The Terracotta Army is one of China's greatest treasures, but there are still dark secrets.
The lost city of Machu Picchu is one of the greatest mysteries in archaeology.
A castle in Scotland could be the home of King Arthur's legendary Round Table.
Ancient magic, bizarre rituals and brutal murder surround the strange monument known as Stonehenge.
The astonishing secrets of the world's most iconic monument, the great Sphinx at Giza.
New technologies reveal the startling truth behind the largest temple ever built, Angkor Wat.
Giant pyramids in Mexico are revealing secrets of a civilization that vanished 1,400 years ago.
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