A piece of shattered lens from the Lighthouse of Alexandria. It increases the brightness of light shown through it like a magnifying glass and can cause temporary blindness. It's part of Artie's emergency kit.
The Lighthouse of Alexandria was a tower built between 280 and 247 BC on the island of Pharos at Alexandria Egypt. For centuries it was the tallest man made structure on Earth and was one of the Seven Wonders of the Ancient World. It was created because Pharos Island was infamous for sinking ships that wrecked into it. It was built with a mirror at the top to reflect sunlight durring the day and a place for fire to burn at night.
Sadly, the lighthouse was destroyed after an earthquake in 1303 and again in 1323. French archeologist discovered remians of the lighthouse on the bottom of Alexandria's Eastern Harbour in 1994. Some of the remains were brought to the surface and are still lying near the harbour for people to see. People also go diving to see the remaining ruins.