Quora @Quora

A place to share knowledge and better understand the world. quora.com the internet Joined April 2009

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Quora @Quora

7 days ago

Why do Spanish speakers say Gualmart instead of Walmart? Answer by Transatlantic: "It's because of phonotactics. Languages have rules for sound combinations that are legal and illegal in different contexts..."

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a week ago

Were cigarettes in old movies real? When did Hollywood start using fake cigarettes? Answer by Adam Huberty: "By and large, actors in nearly every film before the 1970s smoked real tobacco when they needed to smoke on-screen..."

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2 weeks ago

Why are there no analog computers? Answer by Erik Painter: "There were. The Tide-Predicting Machine No. 2, 'Old Brass Brains' was used from 1910 to 1965..."

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2 weeks ago

What is the strangest engineering failure in history? Answer by Doug Graham: "The Arecibo Radio Telescope collapsed when zinc in the cable terminations began to creep due to eddy currents induced by the telescope's own powerful radio transmissions."

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3 weeks ago

What are some common mistakes that scuba divers make? Answer by Noam Kaiser: "The most common mistake I see divers make has to do with their gas tanks..."

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3 weeks ago

Will humans eventually evolve into crabs? Answer by Johan Torres: "Arthropods evolve into crabs, mammals evolve into anteaters. In fact, over twice the number of mammal lineages have evolved into anteaters as arthropods have evolved into crabs, in half the time..."

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4 weeks ago

What's the big deal with the "Right to Repair" movement, and how is it affecting farmers and their ability to maintain their equipment? Answer by Marc Schneider: "the Right to Repair movement is a combination of factors (some can be changed, others are not going to change)..."

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a month ago

Do doctors ever struggle with the ethical implications of organ retrieval from brain-dead donors, or is it generally seen as straightforward? Answer by Robert Joseph, MD: "Brain death is defined as total and irreversible cessation of all brain function including the brain stem. "

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a month ago

How do scientists know they are right about what's under the Earth's crust? Answer by Steven Haddock: "Ask a friend to fill one jar with water and leave the other empty. Then, just by hitting the jars, can you determine which has water? Of course you can."

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a month ago

Scientists have discovered an Earth-like planet, but it has six times the Earth's mass. Could it host life? Answer by Corey S. Powell, book author: "HD 20794 d is the nearest confirmed exoplanet orbiting a Sun-like star, and by far the nearest potentially habitable one."

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a month ago

Why do they not use the waters of Great Lakes for agriculture in the USA? Answer by Kenny Easwaran: "The short answer is: it's just too expensive."

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2 months ago

Why does James Bond ask for shaken, not stirred? Answer by Adam Huberty: "In the world of 007, it's clear Bond likes his vodka Martinis very cold and doesn't care how they look..."

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2 months ago

Who are the ten greatest classical music composers of all time? Answer by Curtis Lindsay: "The G.O.A.T. is an imaginary beast. A list of the most awful might be more intriguing and more 'real'..."

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2 months ago

While filming a movie, was there ever a time when you just couldn't stop laughing at something unintentional and couldn't get back into the scene? Answer by Lawrence Benedict: "The brilliant Gilda Radner had the ability to make strangers laugh without saying anything at all."

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2 months ago

In what ways is cholesterol good for your body? Answer by Ken Saladin: "All cholesterol is good. There is only one kind of cholesterol, and we could not possibly live without it."

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2 months ago

Was Charles Darwin REALLY the first person to come up with the theory of evolution? Answer by Ken Saladin: "Even Darwin's grandfather Erasmus was a thorough believer in evolution and wrote his own lengthy book about it, Zoonomia, in 1794, 15 years before Charles was born."

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2 months ago

What's stopping an alien civilization within 1,000 light-years from sending us a clear "hello"? Answer by Steve Baker: "So consider our spacecraft - Voyager 1 and 2. They are very close to the limits of what our largest radio dishes can communicate with..."

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2 months ago

Why does the number 256 appear so often in programming and computer hardware? Answer by Alex Eustis: "People are stating that it's because 256 is a power of two, specifically 256 = 2 ^ 8. They're not wrong, but there's more..."

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2 months ago

What are the top 5 rock and roll bands that started it all? Answer by Rik Elswit: "Music is a continuum, and styles are constantly morphing into each other. The elements of what's now called rock and roll all appear earlier in other forms."

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3 months ago

Why did the Boeing 787 crash? Answer by Michael Benton: "There’s been a lot of speculation as to several probable causes. My educated guess at this point is a simultaneous dual engine flame-out..."