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TIL the small cylindrical bulge at the end of laptop charger is an electrical device that helps to isolate the laptop from electromagnetic noise.

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m4JR TIL a giant leopard seal tried to adopt a national geographic photographer
56AD TIL of Dunbarton Castle, the most ancient continuously fortified place in the British Isles, where people lived since at least the Iron Age and throughout history has been; besieged by vikings, used as a jail, a military base, housing for royalty, and is built on a volcanic plug.
P1ZKE TIL the wearing of socks is one of the oldest types of clothing still in use today and from cave paintings and archaeological finds, we can date the first socks back to around 5000BC.
M0nb TIL That America has only been at peace for 21 years since 1776.
rReyM TIL at the Battle of Megiddo, General Allenby won one of the most decisive victories during WWI against the Ottoman Empire. He attacked through the narrow Musmus Pass, a risky tactic he had learned from reading about Egyptian Pharao Thutmose III during the Battle of Megiddo in the 15th century BCE