HACKER NEWS / REDDIT

圆周率集锦

讨论目录

12,721–12,750 / 13,083 条 · 第 425 / 437 页

12721
Reddit · r/mildlyinteresting数位与应用

数位与应用 · 评论中的圆周率

讨论串 · This license plate reads "[Pi]MP" (xpost from r/nyc)
1 条相关评论
- 数位与应用 · 2015-02-01 · 1 分
12722
Reddit · r/DIY定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Help. Bend aluminum rod into a hoop?
1 条相关评论
- 定义与几何 · 2015-02-27 · 1 分
12723
Reddit · r/Showerthoughts证明与性质

证明与性质 · 评论中的圆周率

讨论串 · Why is arachnophobia way more common than Kabourophobia (The fear of crabs)? Crabs are literally spiders but with armor and a giant claw.
1 条相关评论
- 证明与性质 · 2015-03-11 · 1 分
12724
Reddit · r/askscience证明与性质

证明与性质 · 评论中的圆周率

讨论串 · If I have a probability of landing something of 1/10,000, and I do that infinite times, is it certain (p=1) to happen? And if not, why?
1 条相关评论
- 证明与性质 · 2015-03-15 · 1 分
12725
Reddit · r/philosophy证明与性质

证明与性质 · 评论中的圆周率

讨论串 · Can atheism be properly basic?
1 条相关评论
- 证明与性质 · 2015-03-25 · 1 分
12726
Reddit · r/todayilearned证明与性质

证明与性质 · 评论中的圆周率

讨论串 · TIL the universe is basically just a giant computer
1 条相关评论
- 证明与性质 · 2015-04-18 · 1 分
12727
Reddit · r/explainlikeimfive定义与几何

定义与几何 · 评论中的圆周率

讨论串 · ELI5: why does the giant red spot on Jupiter keep on going? If it's a storm why hasn't it just blown its self out/dispersed over time? How long will it last before it does go?
1 条相关评论
- 定义与几何 · 2015-04-29 · 1 分
12728
Reddit · r/todayilearned定义与几何

定义与几何 · 评论中的圆周率

讨论串 · TIL that the Schwarzschild Radius is the size an object is compressed in order to make it a black hole. Earth's Schwarzschild Radius would be compressing it to 8.7 mm, which is roughly the size of a peanut.
1 条相关评论
- 定义与几何 · 2015-05-30 · 1 分
12729
Reddit · r/askscience计算与算法

计算与算法 · 评论中的圆周率

讨论串 · Does light always move?
1 条相关评论
- 计算与算法 · 2015-06-22 · 1 分
12730
Reddit · r/Showerthoughts定义与几何

定义与几何 · 评论中的圆周率

讨论串 · If you cut too many corners you'll land up going around in circles.
1 条相关评论
- 定义与几何 · 2015-06-25 · 1 分
12731
Reddit · r/explainlikeimfive证明与性质

证明与性质 · 评论中的圆周率

讨论串 · ELI5: What does the supreme court ruling on gay marriage mean and how does this affect state laws in states that have not legalized gay marriage?
1 条相关评论
- 证明与性质 · 2015-06-27 · 1 分
12732
Reddit · r/Showerthoughts证明与性质

证明与性质 · 评论中的圆周率

讨论串 · Pi only seems like a weird number because of the system of numbers we use to understand it.
1 条相关评论
- 证明与性质 · 2015-07-09 · 1 分
12733
Reddit · r/Showerthoughts证明与性质

证明与性质 · 评论中的圆周率

讨论串 · What if black holes are just areas we haven't unlocked yet?
1 条相关评论
- 证明与性质 · 2015-07-11 · 1 分
12734
Reddit · r/Showerthoughts定义与几何

定义与几何 · 评论中的圆周率

讨论串 · If you made a solid object parallel to the ground that was so long it went around the earth, it would be flat and curved at the same time.
1 条相关评论
- 定义与几何 · 2015-07-21 · 1 分
12735
Reddit · r/gaming定义与几何

定义与几何 · 评论中的圆周率

讨论串 · I played this game for about 2 hours... Im ashamed
1 条相关评论
- 定义与几何 · 2015-08-15 · 1 分
12736
Reddit · r/explainlikeimfive证明与性质

证明与性质 · 评论中的圆周率

讨论串 · ELI5: Would someone explain to me the 'Phi coefficient'? Thanks.
1 条相关评论
- 证明与性质 · 2015-08-31 · 1 分
12737
Reddit · r/programming证明与性质

证明与性质 · 评论中的圆周率

讨论串 · The incredibly challenging task of sorting by colour
1 条相关评论
- 证明与性质 · 2015-10-01 · 1 分
12738
Reddit · r/gadgets定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Huawei’s first Android Wear watch is a beautiful yet basic timepiece
1 条相关评论
- 定义与几何 · 2015-10-02 · 1 分
12739
Reddit · r/Showerthoughts计算与算法

计算与算法 · 评论中的圆周率

讨论串 · Millions of productivity hours would be saved if pi had its own button on the calculator.
1 条相关评论
- 计算与算法 · 2015-10-04 · 1 分
12740
Reddit · r/explainlikeimfive实验与演示

实验与演示 · 评论中的圆周率

讨论串 · ELI5: Probability and statistics. Apparently, if you test positive for a rare disease that only exists in 1 of 10,000 people, and the testing method is correct 99% of the time, you still only have a 1% chance of having…
1 条相关评论
- 实验与演示 · 2015-11-04 · 1 分
12741
Reddit · r/askscience证明与性质

证明与性质 · 评论中的圆周率

讨论串 · Why is there no solution for x in the equation cos(x)=x?
1 条相关评论
- 证明与性质 · 2015-11-05 · 1 分
12742
Reddit · r/Showerthoughts计算与算法

计算与算法 · 评论中的圆周率

讨论串 · There is no such thing as a perfect circle.
1 条相关评论
- 计算与算法 · 2015-12-07 · 1 分
12743
Reddit · r/todayilearned定义与几何

定义与几何 · 评论中的圆周率

讨论串 · TIL forest growth in the US has exceeded harvest since the 1940s, and that the US has more trees now than at any time in the past 100 years.
1 条相关评论
- 定义与几何 · 2015-12-07 · 1 分
12744
Reddit · r/askscience证明与性质

证明与性质 · 评论中的圆周率

讨论串 · Why do my calculator and Wolfram Alpha disagree on a negative number with a fractional exponent?
1 条相关评论
- 证明与性质 · 2015-12-23 · 1 分
12745
Reddit · r/Showerthoughts证明与性质

证明与性质 · 评论中的圆周率

讨论串 · If 1=a, b=2 etc... somewhere along Pi you can find the complete works of Shakespeare.
1 条相关评论
- 证明与性质 · 2016-01-01 · 1 分
12746
Reddit · r/Showerthoughts证明与性质

证明与性质 · 评论中的圆周率

讨论串 · If the number Pi has digits that continue to infinity decimal places, every piece of information in the universe can be expressed in every conceivable way given enough decimal places.
1 条相关评论
- 证明与性质 · 2016-01-21 · 1 分
12747
Reddit · r/science定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Researchers have made the smallest ever lattice structure: a glassy carbon nanolattice with single struts shorter than 1 μm and diameters as small as 200 nm
1 条相关评论
- 定义与几何 · 2016-02-03 · 1 分
12748
Reddit · r/todayilearned证明与性质

证明与性质 · 评论中的圆周率

讨论串 · TIL Irrational numbers are called irrational because they aren't ratio-nal (they can't be described as a ratio or fraction)
1 条相关评论
- 证明与性质 · 2016-02-15 · 1 分
12749
Reddit · r/Showerthoughts证明与性质

证明与性质 · 评论中的圆周率

讨论串 · What if we humans are like fish in an aquarium or like an ant farm for a large species of alien?
1 条相关评论
- 证明与性质 · 2016-03-01 · 1 分
12750
Reddit · r/todayilearned证明与性质

证明与性质 · 评论中的圆周率

讨论串 · TIL that working out the area of the largest sofa that can be moved around an L shaped hallway still remains mathematically unsolved.
1 条相关评论
- 证明与性质 · 2016-03-23 · 1 分