What is your favorite math problem/puzzle?

My nominee is wordless — but since we are not face-to-face, obviously I have to use some words to convey it… Take a strip of paper. Tie it into a simple overhand knot. Snug it up and it crease …

Top stories for Long   What is your favorite math problem/puzzle? David Lewis, works at SavaJe • Answered August 29, 2017 My nominee is wordless — but since we are not face-to-face, obviously I have to use some words to convey it… Take a strip of paper. Tie it into a simple overhand knot. Snug ... Read more » 66 8   Your response is private Was this worth your time? This helps us show content you find valuable. Absolutely not Definitely yes   Why is it not good to put your bread in the refrigerator? I heard that bread is OK to freeze but not refrigerate. Why? Mark Fitzsimmons, ate bread my entire life • Answered September 14 I lived the first 25 years of my life with bread stored in a pantry, and as I became an adult I found my bread would go moldy before I could finish a loaf, unless I ate two... Read more » 2.1K 228   Why didn't the Hyundai EV plant that was recently raided with over 475 arrests in Georgia employ American citizens instead of the mostly "illegal South Korean immigrants"? Paul Johnson, I own an electric car, like it, but am not an EV cultist • Answered September 9 I've been involved in the startup of loads and loads of factories around the world. When I was doing this, people would pay us $5m for an Ion Implanter. The implanter would ... Read more » 3.3K 178   THE FINGER OF DEATH Alessandro13 • Posted Dec 18, 2024 The existence of the "finger of death" has been known since 1960, first witnessed by BBC cameras. The phenomenon was captured in time-lapse by Hugh Miller and Doug Anderson during the recording of a... Read more » 1.3K 31   What is the saddest truth about smart people? Rachel Lindenthal, studied at The University of Connecticut • Answered May 17, 2018 My dad is the smartest guy I know. He's got all the proper genius qualifications, and I'd guess that more often than not, he's the smartest guy in the room. Unlike a lot of... Read more » 1.2K 57   If you sleep in your car, what are the best places to park both for safety and avoiding the police? Dallas Caley, Author at Minimum Viable Programmer (2019-present) • Answered March 27 I spent about 11 years being homeless (aka sleeping in my car) Here is what I learned. The best places to park are generally in what I would call 'Transitional Areas'. Like,... Read more » 1.4K 165   Why is the inflation in the US consistently going down when the tariffs were supposed to cause a devastating increase in the inflation? Gorgeyos • Updated September 25 Why is the inflation in the US consistently going down when the tariffs were supposed to cause a devastating increase in the inflation? Two reasons: Inflation has been fallin... Read more » 1.2K 439   If slaves were treated as expensive property in the South, why weren't they kept in good physical condition? David Friedlander, former Actuary (Retired) at U.S. Coast Guard (2006-2013) • Answered August 25, 2023 Andrew Jackson (you know, the man on the United States twenty dollar note), placed an ad in the Nashville, Tennessee newspaper in 1804, offering to pay $50 to anyone who co... Read more » 3K 552   What makes the Boeing B-52 so hard to shoot down? Why doesn't it just get smacked out of the air? Dave Presuhn, lives in The United States of America (1991-present) • Answered September 27 The B-52 is a big ol' lumbering plane with 8 engines putting out a lot of hot exhaust. The North Vietnamese found out in the 1960s how easy they were to shoot down and did ... Read more » 2.6K 167   Is ganja harmful or not to human beings? Tom Adams, former Vice President of Production • Answered September 18 First toke was in 1968. Got accused of being weird by the peer group holding beer cans. Since 1968 all of the 'party hearty' beer drinking dudes from high school have since ... Read more » 462 42   How can a square of a number be equal to its half? Alan Bustany, Trinity Wrangler, 1977 IMO • Answered September 19 [math]x^2=\frac{x}{2}\iff x^2-\frac{x}{2}=0\iff x(x-\frac12)=0\iff(x=0)\lor(x=\frac12)\quad\boxed{\alpha_\beta}\tag*{}[/math] That is: a number squared is equal to its half if, and only if, the number is either zero or a half [math]\ddot\smallsmile[/math] Read more » 55 3   What can COBOL do that Java or C++ can't? Matt P., 30+ year professional developer with multiple industry and platform background. • Updated April 30, 2020 Be very predictable. COBOL, by modern standards, is a very simplistic and narrow language. You have to allocate memory in detail for every data structure. COBOL is designed ... Read more » 238 36 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