How do high-rise buildings manage to pump water all the way up to the top floors with...?

A 1,000-foot column of water exerts over 430 pounds of pressure. If a skyscraper used a single pipe, that crushing force would instantly blow its ground-floor faucets straight off the wall. Beca…

Top stories for Long   How do high-rise buildings manage to pump water all the way up to the top floors without breaking the pipes from too much pressure? OpenBlueprint • Updated June 10 A 1,000-foot column of water exerts over 430 pounds of pressure. If a skyscraper used a single pipe, that crushing force would instantly blow its ground-floor faucets strai... Read more » 240 6   Why did St. Louis, once one of the major cities in the US, experience such a significant decline? SepiaGlyphs • Answered May 3 In 1904, St. Louis was America's fourth-largest city, proudly hosting the Olympics and the World’s Fair. Today, its population is less than half its 1950 peak. What hollowe... Read more » 1K 183   Why do pancakes at restaurants like Denny's or IHOP taste better than homemade ones? Terry Lo, A foodie, former restaurateur, and a not bad home cook. • Updated October 8, 2022 Both of them have their methods, with one being a bit surprising to me, and the other that makes sense. (from Curiosity Group) So first up is IHOP, who claims that they’re do... Read more » 4.7K 412   Why do batters obey an unwritten rule that you don't swing on a 3-0 count? Why not swing at the fattest pitch you are likely to see if you are trying to win a game? HalftimeLedger, Sports analysis and commentary • Updated June 10 A 3-0 fastball straight down the middle is the fattest pitch in baseball. Yet for decades, swinging at it wouldn't just break an unwritten rule—it would get you benched by ... Read more » 147 26   Is it true that the Boeing 797 will be a B-757/B-787 hybrid (narrow bodied version of B-787)? Rodra Hascaryo, studied Aerospace and Aeronautical Engineering at University of Illinois at Urba... • Answered June 13 I’m fresh back from an aviation conference in San Diego and this is what I’ve heard from one of the good folks at Boeing (via one of my friends, who is officially one of th... Read more » 237 49   Why do some golfers leave the flag in the hole for their putt? Ron Brown, I play a lot of golf! • Updated June 5 As others have said, the rules of golf changed in 2019 to allow golfers when putting while on the green to leave the flagstick in (prior to that, there was a penalty if a p... Read more » 13   Why isn't it biologically possible for someone to live to be 200 years old? NovaPrism • Answered May 30 Even if science cured all disease tomorrow, you wouldn't reach 200. The ultimate ceiling on human life is dictated by a microscopic countdown clock ticking inside nearly ev... Read more » 2.4K 166   What was it about the typical 1950s diet and lifestyle that kept people from becoming obese, despite having homemade desserts and snacks? MosaicPalate • Answered May 23 1950s families devoured meat, butter, and daily homemade pie, yet obesity rates were a fraction of today's. The secret wasn't a magical metabolism—it was a vastly different... Read more » 793 95   The Hunt for Red October (1990 movie): Is it true that if one submarine comes in behind another submarine's propeller "he's deaf as a post"? Babus Abus, former Lt Cdr (S) (SM) at Royal Navy (1971-1996) • Answered August 2, 2018 I was serving in nuclear submarine during the era the film was shot. Whilst operating off the Azores in company with a hunter killer SSN we actually had our towed array cut... Read more » 1.3K 53   How do train drivers know exactly when to brake when the train takes such a long distance to stop? Steve Baker, Senior Software Engineer (2013-present) • Answered April 29 It’s a little known fact that train drivers get paid more than airline pilots. They go through a lot of training - and a good part of that is learning the routes they’ll be ... Read more » 404 41   How do cemeteries stay in business? If you think about it, they’re not burying people every day, and though it’s not cheap to bury someone, it’s not as if they collect rent on graves. MetroDispatch • Answered May 20 Cemeteries sell a plot exactly once, but are legally bound to mow the grass and pave the roads forever. To survive this paradox, they don't collect rent—they collect intere... Read more » 672 67   Why do PCs gradually get slower with usage? Norrin Radd, Consultant for I.T.-Infrastructure, Network Admin (2008-present) • Answered July 31, 2019 There’s 4 main reason for this, but only 2 of them are genuinely noticeable unless it’s a severe case of the latter reasons. Here are they by rank of likely hood. With the ... Read more » 3.3K 193 Read more in your feed

Never miss a story. Designed for readers on the go.

Missing out on Quora emails? Be sure to add us to your primary inbox. This email was sent by Quora (605 Castro Street, Mountain View, CA 94041). If you don't want to receive this type of email in the future, please unsubscribe. https://www.quora.com

Why do NFL teams prefer staying at regular upscale hotels like Marriotts or Hiltons i...?

NFL franchises don't book corporate Marriotts to save money. They do it because a five-star resort would instantly buckle under the logistics of a 180-person military deployment. A typical trave…

Top stories for Long   Why do NFL teams prefer staying at regular upscale hotels like Marriotts or Hiltons instead of super fancy ones? HalftimeLedger, Sports analysis and commentary • Updated June 11 NFL franchises don't book corporate Marriotts to save money. They do it because a five-star resort would instantly buckle under the logistics of a 180-person military deplo... Read more » 47 2   Why didn't Starfleet bother reverse-engineering the Klingon Bird-of-Prey even after capturing it? Was it really that outdated? FeverIndex, Updates from the world of Pop Culture • Updated June 11 Starfleet didn't leave a cloaked alien warship to rot in the San Francisco mud. They salvaged it, but the greatest prize inside had nothing to do with Klingon technology. A... Read more » 285 38   What dishes do professional chefs dislike preparing at a restaurant? J. Coyne, I read books • Updated October 23, 2018 I used to work with someone who once worked as a chef at Daniel, Daniel Boulud’s flagship restaurant on NYC’s Upper East Side. She told me that the dish she most hated maki... Read more » 3K 328   What did the glider pilots who flew troops to Normandy on D-day do after they landed? SepiaGlyphs • Answered May 20 Landing an unpowered glider on D-Day was a one-way trip into hostile territory. When the canvas wreckage finally stopped moving, what the pilots did next depended on their ... Read more » 2K 94   If nuclear bombs didn't expel radiation, would they be commonly used? Thierry Etienne Joseph Rotty, former Central Planning at NATO • Answered May 20 No. From a military point of view, radiation usually doesn’t come into play. The effects of nuclear weapons are exaggerated and most people got a wrong idea about them. In nuc... Read more » 456 73   Why do PCs gradually get slower with usage? Norrin Radd, Consultant for I.T.-Infrastructure, Network Admin (2008-present) • Answered July 31, 2019 There’s 4 main reason for this, but only 2 of them are genuinely noticeable unless it’s a severe case of the latter reasons. Here are they by rank of likely hood. With the ... Read more » 3.3K 193   What are quarks made of? NovaPrism • Answered June 14 Split an atom, and you find protons. Smash a proton, and you find quarks. But try to crack open a single quark, and you hit a baffling reality: it takes up exactly zero phy... Read more » 269 32   How do train drivers know exactly when to brake when the train takes such a long distance to stop? Steve Baker, Senior Software Engineer (2013-present) • Answered April 29 It’s a little known fact that train drivers get paid more than airline pilots. They go through a lot of training - and a good part of that is learning the routes they’ll be ... Read more » 404 41   How much do flight attendants make? Heather Wilde, Former "Stew" • Updated July 4, 2016 I had to reread the question a few times to make sure I had this correct. Flight attendants are not highly paid. They are the opposite of that. I was paid less as a Flight Att... Read more » 721 67   Do Tesla cars really keep the A/C running even when the car is off, and how long can it last on battery power alone? George F. Rice, BS Electrical Engineering, Mississipi State University (1984) • Answered April 23 The short answer is yes, I have asked my Model Y to keep the A/C running even when the car is off, a user-configurable feature. In the blazing Texas sun, my fully-charged T... Read more » 233 28   How do hotels decide which room to give a guest? Example, I'm on the road, I stop at a Hampton Inn for the night, and ask for the standard king bed, non-smoking, and they have 20 of those open. How do they decide if I stay in room 219, 407, 333 etc? Lil Meg, Housekeeper (2021-present) • Answered May 27 When I worked front desk (mind you was at a smaller, historical hotel) and reserved rooms for guests over the phone our standard rooms 1 queen bed were the same price, the ... Read more » 570 18   What is an anti-aging secret that not many people know about? Luisa Fanzani, Skincare formulator and brand owner @ Luisa True Skincare • Updated May 15, 2024 This is not a secret, but it is something a lot of people don't know about. I am sure in the future more people will pay attention to this particular “tip”. If you want to a... Read more » 4.6K 311 Read more in your feed

Never miss a story. Designed for readers on the go.

Missing out on Quora emails? Be sure to add us to your primary inbox. This email was sent by Quora (605 Castro Street, Mountain View, CA 94041). If you don't want to receive this type of email in the future, please unsubscribe. https://www.quora.com