Blender (1922) Although ubiquitous in modern kitchens, the blender began its life in the milkshake and chocolate milkshake industry, which were very popular in the 1920s. Created as hot drinks, powdered chocolate drinks tended to “clump” when mixed with cold milk, resulting in a lumpy drink. This problem was only overcome in 1922, with the invention of the blender by Stephen Poplawski (1885-1956). The device, powered by electricity, had small rotating blades at the bottom of a container where the ingredients were placed. The drinks produced in this way were light and foamy, forever changing the consistency of chocolate milkshakes and milk shakes and paving the way for fruit juices. With the modifications made by Fred Osius and the good advertising by Fred Waring, the blender was soon adopted by hotels and restaurants and, by the 1950s, was already equipping the kitchens of countless homes. However, the blender's uses were not limited to this. Wherever it was necessary to make soup, the appliance was there. Hospitals, for example, quickly adopted it to prepare certain diets. And it did not seem out of place in modern scientific laboratories either: Dr. Jonas Salk is known to have used a blender to develop the polio vaccine. The blender remains as popular as ever. A home that values ​​health cannot do without its juice and smoothie maker.