Greek fire's specific ingredients are unknown, however given that it would catch fire when it came into touch with water, naphtha and quicklime are likely to have been present.
An ancient Greek computer known as the Antikythera mechanism was employed to forecast astrological movements and establish the dates and times of numerous competitions, including the Olympic Games.
The Egyptians of the time are believed to have had only rudimentary tools, they were unfamiliar with the wheel, they had no machinery such as cranes, a limited knowledge of astronomy and only copper tools.
Rust-prevention wasn't conceivable until Harry Brearley created stainless steel in 1913, but it was accomplished during the reign of King Chandra.
The purpose of the Baghdad Battery is unknown, but the most famous theory is that it worked as a battery for either electroplating or electrotherapy.
Large metal mirrors are claimed to have been used to focus the Sun's beams onto enemy ships during the Siege of Syracuse, which is when Archimedes was murdered.
It served as a protective sign and is thought to have served as a compass with accuracy comparable to that of a modern GPS.
Archaeologists believe Stonehenge was constructed between 3000 BCE and 2000 BCE and it is a UNESCO World Heritage Site and British icon. It took 75 giant stones to construct Stonehenge
The object is believed to be aerodynamic enough to glide. This one-thousand-year-old object, made of gold, could be mistaken for a replica of a delta wing aircraft.
It is made of stones weighing over 50-tonnes cut so precisely and assembled to such a degree of perfection, as though the rocks must have melted into place, that modern engineers are over-awed by the sight of it.