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  1. 2 days ago · National Museum of Health and Medicine photo illustration by Matthew Breitbart/Released. If you've ever wondered why chainsaws were invented, you'd probably be surprised to learn that it wasn't for cutting wood. The first chainsaw was originally invented to aid in childbirth. If that conjures disturbing visuals in your head, you're not alone.

  2. 2 days ago · Scientists invented a melting liquid robot that can escape from a cage. By Leo Sands. January 26, 2023 at 10:30 a.m. EST. Magnetoactive phase transitional matter molded in the shape of a Lego ...

  3. 1 day ago · Tanks were invented more than 100 years ago. How have they stood the test of time? NPR's Mary Louise Kelly speaks with historian Antony Beevor about the role tanks play in warfare and how Ukraine ...

  4. Jan 25, 2022 · 1951-2000. 2000-present day. Additional resources. The history of computers goes back over 200 years. At first theorized by mathematicians and entrepreneurs, during the 19th century mechanical ...

  5. invent verb [T] (NEW DESIGN) B1 to design and/or create something that has never been made before: The first safety razor was invented by company founder King C. Gillette in 1903. Thesaurus: synonyms, antonyms, and examples to make something make Can I make you a cup of coffee? produce California produces a lot of grapes.

  6. 3 hours ago · The modern woolly elephant lived just a few weeks. But since then, others have survived, and a small herd is expected to be introduced to Siberia within the next decade. The Bigfeet that emerged ...

  7. The modern mechanical refrigeration process we know today grew from the work of numerous inventors in the 1800s. American Jacob Perkins invented the first vapor compression system in 1834, while German professor Carl von Linde patented a new process for liquefying gases in the late 1800s. Refrigerator innovations led to widespread commercial ...

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