BlogHide Resteemsyourcorner (52)in hive-182035 • last yearDid you know light is electro magnetic radiationLight is indeed a form of electromagnetic radiation. Electromagnetic radiation encompasses a whole spectrum of energy waves, and visible light is just a small portion of that spectrum. It's the part…yourcorner (52)in hive-182035 • last yearDid you know paper money was first used in ChinaPaper money was first used in China. They are credited with inventing paper money around the 7th century AD. It was a major innovation that made large transactions much easier to handle compared…yourcorner (52)in hive-182035 • last yearDid you know the lie detector was invented in 1921The lie detector, also known as a polygraph, was invented in 1921 by a Californian police officer named John Augustus Larson. It's interesting to note that while the polygraph machine was a novel…yourcorner (52)in hive-182035 • last yearDid you know there is enough petrol in a full tank of a Jumbo Jet to drive the average car 4 times around the worldJumbo Jet Fuel Capacity: While jumbo jets, like the Boeing 747, have a massive fuel capacity (ranging from 48,400 to 63,000 gallons), it's important to consider the type of fuel. Jet fuel and car…yourcorner (52)in hive-182035 • last yearDid you know cars were first started with ignition keys in 1949While the concept of car keys existed earlier, you're right that 1949 is significant for ignition keys. That's the year Chrysler introduced the first car with a key-operated ignition system that…yourcorner (52)in hive-182035 • last yearDid you know the revolving door was invented in 1888You are well-informed about the history of the revolving door. The inventor, Theophilus Van Kannel, received a patent for his "Storm-Door Structure" in 1888. It was designed to address issues like…yourcorner (52)in hive-182035 • last yearDid you know the Chinese used fingerprints as a method of identification as far back as AD 700the record for fingerprint identification in China goes back even further! Evidence suggests the Chinese were the first to use fingerprints for identification, but their use dates back to 300 BC…yourcorner (52)in hive-182035 • last yearDid you know that after petrol, coffee is the largest item bought and soldIt sounds like coffee is a truly global phenomenon. I can't confirm it's the largest item after petrol, but there's definitely evidence for its massive popularity. Here are some statistics to…yourcorner (52)in hive-182035 • last yearDid you know you shed a complete layer of skin every 4 weeksWhile it's true your skin is constantly renewing itself, it doesn't shed a complete layer every 4 weeks. Here's the breakdown: Skin Renewal Cycle: This process, called desquamation, takes…yourcorner (52)in hive-182035 • last yearDid you know 1 square inch of human skin contains 625 sweat glandsWhile it's true our skin is covered in many sweat glands, current estimates suggest one square inch of human skin contains closer to 650 sweat glands. Here's a breakdown of what our skin…yourcorner (52)in hive-182035 • last yearDid you know when your face blushes so does your stomach liningIt might seem surprising, but when you blush, it's not just your face that gets a rosy hue. The increased blood flow that causes your cheeks to redden actually extends to your stomach lining as…yourcorner (52)in hive-182035 • last yearDid you know men have 10% more red blood cells than womenThe difference in red blood cell count between men and women is closer to 12% on average. Women typically have a lower red blood cell count than men. This is due to a few factors, mainly hormones.…yourcorner (52)in hive-182035 • last yearDid you know the human body contains 96,000km(59,650miles) of blood vesselsIt's pretty mind-boggling to imagine that all those blood vessels fit within our bodies. If stretched out end-to-end, that's enough to wrap around the Earth more than twice! While the exact number…yourcorner (52)in hive-182035 • last yearDid you know draughts (checkers) is older than chessDraughts, also known as checkers, has a much longer history than chess. Evidence suggests forms of checkers were played as far back as 3,000 BC, while chess emerged in its current form much later…yourcorner (52)in hive-182035 • last yearDid you know the yo-yo was originally used as a weapon for hunting the in the PhilippinesThe idea of the yo-yo being a weapon used for hunting in the Philippines is an interesting one, but there isn't any conclusive evidence to support it. Here's a breakdown of what we know: The yo-yo…yourcorner (52)in hive-182035 • last yearDid you know the word old English word 'juke' meaning dancing lends its name to the juke boxWhile the connection to music and dancing is interesting, the origin of "juke" in relation to jukeboxes isn't directly tied to the Old English word for dancing. Here's the breakdown: The word…yourcorner (52)in hive-182035 • last yearDid you know the subject of the first printed book in England was about chessWhile chess was a popular topic in early printed works, the title of the first book printed in England actually goes to a different subject. The honor belongs to "The Recuyell of the Historyes of…yourcorner (52)in hive-182035 • last yearDid you know the Moons diameter is 3,476kmIn fact, the Moon is the fifth largest moon in the solar system, and it's quite a bit smaller than Earth. Earth's diameter is roughly 12,756 kilometers, which is about 3.67 times larger than the…yourcorner (52)in hive-182035 • last yearDid you know the largest exporter of sugar is CubaThat's an interesting fact, but based on current data, Cuba isn't the world's largest sugar exporter. The title belongs to Brazil. According to the Observatory of Economic Complexity (OEC), a…yourcorner (52)in hive-182035 • last yearDid you know The Dead Sea is actually an inland lakeThe Dead Sea is indeed an inland lake. It's a landlocked body of water with no outlet to the ocean. Here's why the term "sea" is used even though it's a lake: High Salt Content: The Dead Sea is…