Some of these inventions you know and some, thankfully, you are remain blissfully ignorant of. To make tube-viewing more convenient during mealtime, companies created ways to prepackage foods for easy consumption. A … In the early 20th century, as Albert Einstein developed his famous mass-energy equivalency E = mc 2 and Marie and Pierre Curie discovered radiation, advancements in chemistry and physics rushed along the invention of humankind’s most potentially catastrophic invention to date. From pioneering inventions to bold scientific and medical advancements, find out more about 11 innovations that changed the course of human history. For most of the mid-twentieth century, lead gasoline was considered normal. But lead is a poison, and burning it has had dire consequences. The gasoline of the early 20th century was of poor quality and caused engine knocking, which reduced both power and fuel efficiency and led to breakdowns. Psychology is a relatively new science which gained popularity in the early 20th century with Wilhelm Wundt. The 50 Worst Inventions. 3. Technology, science, inventions, and re-inventions have progressed at an accelerated rate during the hundred years of the 20th century, more so than any other century. By cutting out pieces of harmful DNA, gene-editing technology will likely change the future of medicine and could eventually eradicate some major diseases. We began the 20th century with the infancy of airplanes, automobiles, and radio, when those inventions dazzled us with their novelty and wonder. They say that necessity is the Mother of invention but some inventions weren’t really all that necessary. Well, sorry to burst your safe bubble, but here are the … It is for these inventions — the worst of the worst — that this list has been compiled. The (now) ubiquitous Smartphone.While the successor to a number of late 20 th century PDAs and Blackberries, the iPhone (2007) set off the mad scramble to change how we entertain, interact, and access the world around us. The automobile was first invented and perfected in Germany and France in the late 1800s, though Americans quickly came to dominate the automotive industry in the first half of the twentieth century. The popularity of the TV during the mid-20th century carried into dinnertime for the average American family. In the zeal to learn about the human thought process and behavior, many early psychiatrists went too far with their experimentations, leading to stringent ethics codes and standards. While a lot like the tablet, the Smartphone’s advantage was its cellular connection, size/portability, and ever-expanding world of Applications (Apps). 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