What is the greatest trick in mathematics?

Let me tell a story. During the 1700 or 1800(forgot correct year) a math professor was teaching 5th grade students.One day he was busy and hence asked his students to calculate the sum from 1 t…

Top stories for Long   What is the greatest trick in mathematics? Manju Prasath, Average person with big dreams. • Answered May 7, 2018 Let me tell a story. During the 1700 or 1800(forgot correct year) a math professor was teaching 5th grade students.One day he was busy and hence asked his students to calcul... Read more » 473 9   Do pilots know what absolutely every single button and switch in the cockpit does? Jim Guibault, B-757/767 Captain at a Major Airline • Answered February 14 As an airline captain with tens of thousands of hours, I'm going to take a bit of a contrarian stance here. Of course we know what all of the buttons and switches that are ... Read more » 3K 122   Why did the computers in "Alien" movie have slow green monochrome monitors? Didn't the film-makers expect, that in 100 years, the computers would become much faster? Star trek franchise did it much better. Todd Gardiner, Watched 201 films and 201 shorts in theaters in 2012. • Answered February 6 There is a common misconception about science fiction. That the authors are trying to predict the future. That the devices they show and the ships people fly in are an atte... Read more » 891 86   My last time on a plane someone challenged me because he wanted my window seat near the wing (his favorite spot) and I wouldn't give it up. I have the same seat this flight. If it happens again what do you suggest I do/say? M.C. Donnelly, Physical Therapist, Yogic Healer, writer, artist. (1988-present) • Updated December 19 I boarded a flight one time and a young, tall man was sitting in my aisle seat with the flight attendant standing next to him. It was obviously her idea. He stated, I'm sit... Read more » 2.8K 183   It took Apollo 3 days to get to Moon, they're talking about Artemis taking over a week to get there now, with obviously weaker rockets. What would be necessary to get to the Moon in only 1 day? Marcelo Pacheco, SpaceX fan, follows every news and every launch about SpaceX. • Answered January 11 The reason for the 3 day transit to the Moon by Apollo was so they didn't arrive at the Moon too fast. They wanted to arrive at the moon in a free return trajectory. Using t... Read more » 1.9K 81   Why does Canada have a much higher homicide rate than other developed countries like the UK and Australia? FRANCISCO, Licenciado en Filosofía from University of Deusto (1996) • Updated February 22 According to the UNODC (United Nations Office on Drugs and Crime), Canada had a homicide rate of 1.98 intentional homicides per 100,000 inhabitants in 2023, the United King... Read more » 863 197   Was Melania's movie a flop? Jim Mowreader, Liberal Idahoan, Born and Raised • Answered February 1 In 1987 Kevin Costner released his film The Untouchables about Treasury agent Eliot Ness. In the first scene we see two of Al Capone's sales associates trying to convince a... Read more » 8.2K 1.4K   What secret did your parents hide that you only found out after they died? Asked in Ask Buddy💕 Welcome • Answered by Rebecca Byrd Arthur • November 19 After my mother died in 2015, my son and my brother went through the little safe where my parents kept papers. They were looking for the cemetery plot info. My Dad and I we... Read more » 3K 244   What would horrify a French guy visiting America? Thomas L. Johnson, Have spent over five decades studying Europe and Europeans. • Updated February 21 I was enjoying a wonderful meal in Minnesota with three visitors from Brittany when something happened that horrified my French guests. In the same anteroom where we were s... Read more » 2.4K 337   Is it true that if illegals are not counted, the Democrats would lose 10 House seats? How can illegals be counted in population when they are not legally in America? Old Lady Number Cruncher, I've been on the financial side of the book publishing business for 25+ years • Answered December 30 Every state gets at least one seat in the House. Past that point, each seat represents about 750,000 people. Here are the numbers of illegal immigrants in each state, per Pe... Read more » 1.6K 594   Is it true that death by inhaling nitrogen is really painless considering U.S. plans to introduce using this gas for death sentence executions and would you vote for its usage in this case? Terry Dinerman, Retired Ships Medical Officer - Public Health Officer • Answered January 26, 2024 After 40 years in Industrial Safety, I can say with some authority, that after reviewing dozens of fatality reports from exposure to Nitrogen Rich or 100% Nitrogen atmosphe... Read more » 615 140   When cleaning up a hotel room, have you ever found something you weren't supposed to see? Felicia H., lives in Maple Grove, MN • Updated January 12 Not cleaning up, but after we checked into our hotel room for a week long vacay stay, I started to fill the drawers with our clothing and such. I opened the bottom drawer an... Read more » 1.6K 38 Read more in your feed

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Are Democrats preparing for a massive defeat in the 2026 midterms?

As a longtime Republican, three time Trump voter, and the owner of a political group monitoring conservative sentiment it greatly pains me to have to say it, but Republicans are headed for a hug…

Top stories for Long   Are Democrats preparing for a massive defeat in the 2026 midterms? Daniel Rutschman, Pantologist, History and Political Science & News Analysis • Answered February 15 As a longtime Republican, three time Trump voter, and the owner of a political group monitoring conservative sentiment it greatly pains me to have to say it, but Republican... Read more » 3.1K 1.1K   What is the funniest joke you've been told that you still think about to this day? Nick Thompson • Updated January 4 An Irishman goes to a building site in London and asks the foreman if he can have a job. "Are you Irish?", said the foreman. "Well sor, that I am", replied the Irishman. "W... Read more » 3.4K 182   Did an RAF Spitfire fly under the Eiffel Tower in Nazi Occupied Paris in the last years of WW2? Bob Sakamanos, BSc Appl Science, MEd. Senior training manager.. historian.. • Updated 2h ago A hungover Canadian pilot flew his 409 Sqn (RCAF) Mosquito under the Eiffel Tower after a bet with a journalist who took the photo 14 Sep '44. No photos of Spits under the ... Read more » 2.4K 138   Why do American college girls wear short skirts in below freezing weather? Matt Cyprian, Mathematics BSc, Poli-Sci BA, Graduate school • Answered March 30, 2016 They do it here in Montana, but they are a distinct minority. They will wear short cut offs and Ugg boots. That's how you tell the first years. I don't know what they are t... Read more » 331 24   Do pilots know what absolutely every single button and switch in the cockpit does? Jim Guibault, B-757/767 Captain at a Major Airline • Answered February 14 As an airline captain with tens of thousands of hours, I'm going to take a bit of a contrarian stance here. Of course we know what all of the buttons and switches that are ... Read more » 3K 122   Was Melania's movie a flop? Jim Mowreader, Liberal Idahoan, Born and Raised • Answered February 1 In 1987 Kevin Costner released his film The Untouchables about Treasury agent Eliot Ness. In the first scene we see two of Al Capone's sales associates trying to convince a... Read more » 8.1K 1.4K   If you draw a right triangle on the imaginary plane, with sides 1 and i, the hypotenuse according to Pythagorean theorem will be 0. How to make sense of this? Philip Lloyd, Specialist Calculus Teacher, Motivator and Baroque Trumpet Soloist. • Updated February 13 Most people make this mistake when first learning about complex numbers! NOTE: the following is NOT correct! NOTE: The following IS correct! If you consider a basic Argand dia... Read more » 86 13   Will programmers lose their jobs because of AI like DeepCoder? Jan M Savage, Senior Developer at _NDA_ • Updated February 1 A recent discussion on HN is a very good summary of the present and future status of AI among professional programmers: As the world is becoming increasingly more reliant on... Read more » 177 23   What is normal in the United States that British find weird? Asked in His Majesty's Realms • Answered by Bradley Lansdale • November 26 I was recently in a bar in California with my 23 year old son. I was having a beer and he ordered a water. He was asked for ID and showed his UK driving licence which is ab... Read more » 5.1K 1.5K   Who had prettier legs, Tina Louise or Dawn Wells? Joseph Blowinski, Consultant on physical embellishment • Answered June 22, 2020 Ginger (Tina Louise) was taller and had a little more "upperbody" than Mary Ann (Dawn Wells). However, in the lower body, Mary Ann hands down had more legs and lower-body c... Read more » 1.4K 8   If Medicare Advantage plans are free, then why doesn't everyone have one? Diane McClure, former Employee Benefit Manager at Applera (1982-2005) • Answered August 13, 2025 The explanation is a bit complex, especially for those who are not very insurance wise. The short answer is that Advantage Plans typically limit access to providers with wh... Read more » 54 17   I want honest answers: what do MAGA supporters really want? I understand that they want their country to be better, but most policies they support are alienating and weakening the US. Asked in No More Trump • Answered by Kristan Overstreet • February 17 I live in rural southeast Texas. Most of my family and virtually all my neighbors are MAGA. What they want, above all else, is control. You have to remember that most MAGA vo... Read more » 2.9K 660 Read more in your feed

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