Alfred Nobel discovered dynamite while experimenting with nitroglycerin, a volatile liquid he also took in tiny doses for headaches. Ironically, the explosive that made him wealthy and feared also eased pain—later inspiring his legacy as founder of the Nobel Prizes. […]
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Long before radar revolutionized air defense, enormous acoustic mirrors and specialized sound locators stood as the first line of defense against enemy aircraft. Designed as giant “ears,” these structures amplified distant engine noises, allowing operators to detect incoming planes by sound alone. Dive into the intriguing world of these pioneering listening devices, their operation, limitations, and enduring legacy in military history. […]
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Kodak invented the digital camera in 1975 but hid the invention because they feared it would Jeopardize Photographic Film sales. […]
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go Braille Bricks were launched in 2020 to help visually impaired children learn Braille through play. Each brick features the Braille alphabet and is fully compatible with standard Lego sets, allowing sighted peers to join in, fostering inclusivity and collaboration in learning environments. […]
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Dr. Harry Coover was trying to develop clear plastic for gun sights during WWII when he accidentally created cyanoacrylate, an extremely strong adhesive. Initially dismissed, it was later marketed as Super Glue in the 1950s. […]
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The inventor of shopping carts, Sylvan Goldman, had to hire several male and female models to push carts around in his store, demonstrate their utility, and explain their use to other customers, due to not catching on initially. […]
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In 1891, Chicago challenged engineers to create a structure to surpass the Eiffel Tower for the World’s Columbian Exposition. George Washington Gale Ferris jr. responded with the original Ferris Wheel, a giant rotating structure elevating visitors above the city. This invention became an iconic attraction at the fair. […]
In 2023, a Kenyan inventor Roy Allela invented smart gloves that can convert sign language movements into audio speech, for his six years old niece who was born deaf. […]
This Chand Baori stepwell in Rajasthan, India is over 1200 years old. It’s called Chand Baori. The air at the bottom of the well is 5-6 degrees cooler than at the surface, so in addition to being a water source, it was used as a community gathering place where locals could escape the heat. […]
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1850 Dmitri Mendeleev walked almost a thousand miles to Moscow so he could apply for the University of Moscow. Although he was not accepted, he walked to St. Petersburg where he was accepted, And with that education, he developed the the periodic table of the elements […]
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