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Radio
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Period: to
The new inventions in the 1920s
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Ford Model T Automobiles
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Band-Aid
Earle took an adhesive tape and gauze from his employer’s products and made the first band aid for his wife. He cut a section of adhesive tape and added another strip of gauze at the middle, then placed crinoline fabric on top of it. He rolled his invention so whenever his wife had a cut or wound, she’ll unroll the tape and cut out of it. It looked like a bandage with gauze on it, having adhesive taped on both ends so it could stick. -
Lie Detector
The previous machine was built to record the individual’s physiology response to an accusation, but it is not advanced as that of John Larson. His modern polygraph measured and recorded the respiratory rate, blood pressure, and pulse rate of the subject. The recordings were done on smoke paper. -
Insulin
Before Frederick discovery of insulin, the substance was unknown to all medical practitioners and researchers, but they knew a secretion from the pancreas was responsible for the prevention of diabetes and the control of metabolism. In the summer of 1921, Frederick led a team of researchers to at the University of Toronto to discover the invention. -
Frozen Foods
Clarence Birdseye made it possible for us to store sea and canned foods for lengthy days without getting spoilt or losing taste and nutritional value. He invented frozen foods out curiosity of avoiding food wastage and keeping fresh foods for lengthy period. -
Cheese Burger
Lionel Sternberger made the cheeseburger in his father’s stand at the request of a customer. The said customer wanted cheese in his dish of hamburger; Lionel added cheese, and it tasted good, so he got interested in continuing the delicacy. After the first cheeseburger he made, he added the food on their menu so anyone can order it. -
Electric Razor
He had his plans rejected by many manufacturers because they saw the invention as a bulky one. While he healed from the injury his plans to design the dry shaver was pending as he resumed military duty during the first world war. His desire to create an electric shaver was reignited when he saw that the weaponry at military service were useful for his invention. -
Aerosol Can
After successfully inventing the aerosol can, he sold his patent to a US company for some $17,000. Today, aerosol cans can be made from tin or aluminum. The can dispenses a kind of liquid filled in it together with some pressurized gases; could be butane or propane. By pressing the nozzle at the top, the liquid is transformed into gas and released from a tiny hole in the nozzle. -
Television
From the inception, it has been argued that an electronic television was invented by two men, but Philo Farnsworth earns the credit for the invention of a television. He first came up with an idea of a television in 1921, when he was 14, he claimed to have seen a vision on his father’s farm in Idaho. -
Penicillin
Sir Alexander Fleming was a young bacteriologist when an accidental discovery led to one of the great developments of modern medicine on September 3, 1928. -
Sunglasses
In 1929, Sam Foster invented the modern sunglasses after he tested that bright light can be viewed in them without damaging the eyes, including the sun. To confirm the authenticity of his sunglasses, it started making waves in the movies when artistes and directors started using them against the bright studio lights.
