Completing this comprehensive approach, an extensive glossary explains unfamiliar terms, and a detailed index makes it a simple matter to follow a particular field or process from its origin through its complete cross-cultural evolution. This is a reference as usefully accessible as it is inherently fascinating. Science Physics Nonfiction. More details. National Geographic Society 1, books followers.
Search review text. Technically, Reagan was a unit public relations officer, however Warner Brothers Studios and the White II, and Roger B. An investigation indicated that a faulty electrical wire inside the Apollo 1 command module was the probable cause of the The Shelby GT , which featured a horsepower V-8 engine, remained in production through the end of the s and On January 27, , Soviet forces permanently break the Leningrad siege line, ending the almost day German-enforced containment of the city, which cost hundreds of thousands of Russian lives.
The siege began officially on September 8, The people of Leningrad began Sign up now to learn about This Day in History straight from your inbox. Forcefully marking the continued importance of the West in the development of nuclear weaponry, the government detonates the first of a series of nuclear bombs at its new Nevada test site. Although much of the West had long lagged behind the rest of the nation in technological Poet and politician Dante Alighieri is exiled from Florence, where he served as one of six priors governing the city.
Explosions at a military depot in Lagos, Nigeria, trigger a stampede of fleeing people, during which more than 1, people are killed. A common saying is that necessity is the mother of invention. Author Agatha Christie disagrees. She says, "I don't think necessity is the mother of invention.
Invention, in my opinion, arises directly from idleness, possibly also from laziness — to save oneself trouble. Think of something you hate to do a chore, a task, anything you do on a regular basis.
Imagine that someone could invent something that would make that task easier or go away altogether. Many inventors themselves are largely forgotten, even when their inventions live on. Of these seven, which inventor do you think most deserves to be remembered? What is it about this inventor that you feel merits his being remembered? Not all inventions are designed by a single inventor.
Often, a community of people work together to create a device or process. To learn how one inventor invented a business around this idea, watch the video below. Next, go to quirky. Select a product that you think has strong potential and read the details about that product.
Then, answer the questions below:. Some people invent because they have a concern about a social or environmental issue. This is why Daniel Gross started WorldHaus haus is the German word for house, and it sounds the same as it does in English. WorldHaus is developing homes for people in India.
If you were to design something that would benefit people in need, what do you think you would design? What problem would you solve with your invention? You never know what people are going to find interesting or fascinating. It may surprise you to know that there is a virtual toaster museum online!
It can be difficult to evaluate the importance or worth of an invention. Many timelines of inventions exist, and all of them include and exclude different inventions. Henry George said, "The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.
All of this talk of making stuff may have you itching to try to build something yourself. Who knows? Maybe you'll invent a better way to do it!
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