Magnifying lenses have since led to new breakthroughs in an abundance of fields including astronomy, biology, archeology, optometry and surgery. Scientists circled around the idea of germs for centuries, blaming bad air and miasmas and even “cadaver particles” for the transmission of disease.

The Inventions That Shaped America Primary Sources is a pack of 20 primary source that are printed on sturdy 8.5" X 11" card stock. The first version of the electric battery was made by Alessandro Volta in 1799. Here is a list of 20 American inventions in the last 200 years that have made a significant impact on human existence. Like us on Facebook to see similar stories, Come prepared, speak up, take notes: How to advocate for yourself at the doctor's office, Stocks making the biggest moves midday: Eli Lilly, Caterpillar, Chegg, Harley-Davidson and more.

Dump them in the past like trash.

It wasn't until about a decade after their invention that LEDs were designed to be different colors. READ MORE: The Spies Who Launched America's Industrial Revolution. The quintessential American soft drink dates back to 1886, and its iconic ads over the decades have made Coca-Cola one of the most recognizable brands in the world. Samuel Alderson, 90; Inventor of Dummies Used to Test Car Safety. Goldsmith and Mann's game was inspired by World War II radar displays. She eventually sold him the recipe with the caveat that the Toll House chocolate chip cookie recipe be printed on the back of the Nestle chocolate bar package. The name “Internet” originated from ARPA’s program of interlinking packet networks, which became known as the “Internetting” project. Wilbur and Orville Wright got the Wright Flyer off the ground in 1903, and flight developed rapidly after that. what about the national park system? For now, the math has stayed ahead of the most powerful computers trying to hack it. Hearing aids help to amplify sounds for those who are hard of hearing, giving them the opportunity to live a safer and more robust lifestyle. Like telephones, the internet is enabled by a physical web of cables that blanket the nation, and at first they connected sites like government labs and university computers. Save my name, email, and website in this browser for the next time I comment.

Louis S. Goodman (1906–2000) and Alfred Gilman (1941–2015). However, numerous reincarnations of the wheel have been fashioned, and they continue to be a staple of American theme parks and fairs to this day. The company that bears his name now has 1.9 million independent distributors worldwide. A criminally underappreciated innovation, the transistor is an essential component in nearly every modern electronic gadget. Often associated with science fiction, a laser is an instrument that emits light that has been amplified through simulated emission. The legend holds that Christopher Columbus only ran into the continent of North America because of an incomplete map. It took off vertically as a rocket but landed horizontally like an airplane, creating a blueprint that other spacecrafts still follow. But in the early 1600s, Hans Lippershey applied for the first-known patent for a magnifying lens to be fitted into what we now know as the telescope. Greek pottery, dating back to 525 B.C., illustrating a chariot race. In 1893, the most powerful water pump to date was built and used to drain a dangerous mine. Personal computers are now practically essential to daily life in the United States. Students participate in active learning by creating their own interpretations of history using historical documents. With Henry Ford’s perfection of the assembly line, the United States of America was set again on a collision course with history. The first video game was actually an analog electronic game using a cathode ray tube. The telephone was a major technological leap from the telegraph, turning the transmission of simple on and off signals into a legible, instantaneous voice. The brand-new Bessemer process improved and scaled up steel smelting, and in the next few decades, other scientists made further improvements. The original telegraph and its wireless successors went on to be the first major advancements in worldwide communication. Given a choice, people will demand the freedom to communicate wherever they are, unfettered by the infamous copper wire. You may also like: Famous declassified government secrets. The steam turbine uses the heat energy produced by steam to a turn a mechanical part. Cars, mobile phones, beauty products, processed food, and even jewelry have something in common—they are all manufactured through an assembly line. Cryptography dates back thousands of years, but public key cryptography, where the scramble comes in the form of complex math rather than secrecy and hidden information, changed the game for computing over brand-new public networks. The World Wide Web was invented by Englishman sir Tim Berners- Lee.. jet engine? He patented the airtight Tupperware seal in 1947 and began selling his invention in retail stores. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Internet Protocol Suite of the National Science Foundation (U.S. government). Since then, researchers have honed in on more advanced combination chemotherapy techniques, and countless lives have been saved. Here are ten modern Christmas movies that are sure to make your holiday season merry and bright. The kind with a capable brake didn’t come for many more decades, and today elevators are programmed to stop at specific points—something the inventors would find unthinkably advanced. Soap existed for centuries or more, but it wasn’t until the 1840s that someone made a connection between washing hands and better health outcomes. In Classical times, people around the world saw an astonishing amount with the naked eye. Originally used in radios, transistors have since become an elemental piece of the circuitry in countless electronic devices including televisions, cell phones and computers. Developed around 1440 in Mainz, Germany, Gutenberg’s machine improved on already existing presses through the use of a mould that allowed for the rapid production of lead alloy type pieces. The secret lies in using the right semiconductor materials to build tiny electrical circuitry that sends signals in order to operate.

Today, cancer and chemotherapy are sadly two commonly understood words. The ancestors of the phone you carry around today date back to the early 1970s. In 1901, the basic concept was introduced by Ransom Olds through his motor vehicle company in Michigan. The Computer was invented by Konrad Zuse (Z3). In turn, the nature and prevalence of cakes in particular were never the same. Commercial and industrial refrigeration predated home refrigerators by a decade. He was also a talented musician and designed Braille not just for language but for musical notation. Almost anyone who’s watched HGTV can tell you how to put up the walls of a house, which is a testament to how accessible and straightforward platform frame construction is.

This is a fundamental misunderstanding of how science, and its application to engineer useful products, actually works. Olds is also widely recognized as the founder of the automobile industry in the United States, and one of his vehicles, the Curved Dash Oldsmobile, was the first car successfully mass-produced on an assembly line. A giant step forward in the field of medicine, antibiotics saved millions of lives by killing and preventing the growth of harmful bacteria. Much of the mathematical modelling required for Holography was laying in wait for a sufficiently pure and collimated beam of light; the laser unlocked the door. Young Louis Braille lost sight in one eye and then the other, and he invented Braille at just 15 years old. In the famous story, Ruth ran out of the baker's chocolate she needed for her recipe, and instead substituted with a semi-sweet Nestle chocolate bar. You may also like: A timeline of WWII, the most devastating conflict in history.

Personal computers

This was developed in 1973 by the U.S. Department of Defense, but it only became fully operational in 1993.