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9,691–9,720 / 13,083 条 · 第 324 / 437 页

9691
Reddit · r/science定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Prof. Davies believes a cosmic greeting card could have been left in every human cell. The coded message would only be discovered once the human race had the technology to read and understand it.
1 条相关评论
- 定义与几何 · 2008-10-27 · 7 分
9692
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 LHC's two pipes placed horizontally to the ground ?
1 条相关评论
- 证明与性质 · 2018-01-24 · 7 分
9693
Reddit · r/askscience定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Would a Ball of Yarn solve the Coastline Paradox?
1 条相关评论
- 定义与几何 · 2018-03-11 · 7 分
9694
Reddit · r/explainlikeimfive定义与几何

定义与几何 · 评论中的圆周率

讨论串 · ELI5: What is Hilbert space?
1 条相关评论
- 定义与几何 · 2018-08-13 · 7 分
9695
Reddit · r/science定义与几何

定义与几何 · 评论中的圆周率

讨论串 · World's smallest transistor switches current with a single atom in solid state - Physicists have developed a single-atom transistor, which works at room temperature and consumes very little energy, smaller than those of…
1 条相关评论
- 定义与几何 · 2018-08-18 · 7 分
9696
Reddit · r/explainlikeimfive定义与几何

定义与几何 · 评论中的圆周率

讨论串 · ELI5 - what's the difference between the modes on a calculator?
1 条相关评论
- 定义与几何 · 2018-10-23 · 7 分
9697
Reddit · r/todayilearned定义与几何

定义与几何 · 评论中的圆周率

讨论串 · TIL The Russian tried to dig a hole through the Earth's crust in the 1970's. They reached 40,318 feet deep before they stopped. It is still the deepest hole humans have ever dug.
1 条相关评论
- 定义与几何 · 2018-11-10 · 7 分
9698
Reddit · r/askscience定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Inside a black hole, time becomes space-like and space becomes time-like, the singularity becomes the inevitable future of the observer falling into the black hole. What does this exactly mean from the perspective of a…
1 条相关评论
- 定义与几何 · 2018-11-16 · 7 分
9699
Reddit · r/changemyview证明与性质

证明与性质 · 评论中的圆周率

讨论串 · CMV: Morality is subjective, governed by natural selection. Therefore moral status of a fetus is arbitrary.
1 条相关评论
- 证明与性质 · 2019-05-27 · 7 分
9700
Reddit · r/gadgets定义与几何

定义与几何 · 评论中的圆周率

讨论串 · "Automatic" lawn mower [vid]
1 条相关评论
- 定义与几何 · 2010-04-24 · 7 分
9701
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 e raised to iota pi equal -1?
1 条相关评论
- 定义与几何 · 2019-11-29 · 7 分
9702
Reddit · r/WritingPrompts定义与几何

定义与几何 · 评论中的圆周率

讨论串 · [WP]everyone has a sigil on their body that represents powers that were bestowed onto humanity after the rapture of the Milky Way. The bullies at school always pick on you because you never used your power, but you’ve h…
1 条相关评论
- 定义与几何 · 2020-02-26 · 7 分
9703
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 the concrete used by the Roman Empire has been proposed as an alternative to modern concrete. It's believed that it would have a substantially smaller environmental impact than our own in addition to being far…
1 条相关评论
- 证明与性质 · 2020-03-04 · 7 分
9704
Reddit · r/Fitness定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Gym Story Saturday
1 条相关评论
- 定义与几何 · 2020-05-02 · 7 分
9705
Reddit · r/Damnthatsinteresting定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Surface area of a sphere visualised
1 条相关评论
- 定义与几何 · 2020-05-03 · 7 分
9706
Reddit · r/changemyview证明与性质

证明与性质 · 评论中的圆周率

讨论串 · CMV: I think that objective morality doesn't exist
1 条相关评论
- 证明与性质 · 2020-05-10 · 7 分
9707
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 a space elevator have to be tethered at the equator?
1 条相关评论
- 定义与几何 · 2020-05-13 · 7 分
9708
Reddit · r/explainlikeimfive定义与几何

定义与几何 · 评论中的圆周率

讨论串 · ELI5: What is space made out of? What is the blackness in space?
1 条相关评论
- 定义与几何 · 2020-05-16 · 7 分
9709
Reddit · r/askscience定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Does the ISS just dump its airlock air?
1 条相关评论
- 定义与几何 · 2021-04-01 · 7 分
9710
Reddit · r/space证明与性质

证明与性质 · 评论中的圆周率

讨论串 · In the emptiness of space, Voyager 1 detects plasma 'hum'. Voyager 1—one of two sibling NASA spacecraft launched 44 years ago and now the most distant human-made object in space—still works and zooms toward infinity.
1 条相关评论
- 证明与性质 · 2021-05-11 · 7 分
9711
Reddit · r/explainlikeimfive证明与性质

证明与性质 · 评论中的圆周率

讨论串 · ELI5: Different Degrees of Infinity
1 条相关评论
- 证明与性质 · 2011-12-14 · 7 分
9712
Reddit · r/IAmA证明与性质

证明与性质 · 评论中的圆周率

讨论串 · I am John Green, author of The Fault in Our Stars and now a new nonfiction book, The Anthropocene Reviewed. I also cofounded educational YouTube channels like Crash Course. AMA!
1 条相关评论
- 证明与性质 · 2021-06-25 · 7 分
9713
Reddit · r/todayilearned定义与几何

定义与几何 · 评论中的圆周率

讨论串 · [deleted by user]
1 条相关评论
- 定义与几何 · 2021-09-21 · 7 分
9714
Reddit · r/explainlikeimfive证明与性质

证明与性质 · 评论中的圆周率

讨论串 · [ELI5] Imaginary Numbers
1 条相关评论
- 证明与性质 · 2012-02-21 · 7 分
9715
Reddit · r/science定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Scientists develop a hi-tech sleeping bag that could stop astronauts' eyeballs from squashing in space. The bags successfully created a vacuum to suck body fluids from the head towards the feet (More than 6 months in sp…
1 条相关评论
- 定义与几何 · 2021-12-11 · 7 分
9716
Reddit · r/askscience证明与性质

证明与性质 · 评论中的圆周率

讨论串 · If the metric system is superior, why doesn't anyone advocate 100 degrees in a circle instead of 360?
1 条相关评论
- 证明与性质 · 2012-04-26 · 7 分
9717
Reddit · r/Fitness定义与几何

定义与几何 · 评论中的圆周率

讨论串 · 9.5' of Ass Kicking PVC
1 条相关评论
- 定义与几何 · 2012-05-22 · 7 分
9718
Reddit · r/Showerthoughts定义与几何

定义与几何 · 评论中的圆周率

讨论串 · Pizza isn’t cut into triangles. It’s cut into radian.
2 条相关评论
- 定义与几何 · 2022-07-19 · 48 分
- 定义与几何 · 2022-07-19 · 1 分
9719
Reddit · r/explainlikeimfive证明与性质

证明与性质 · 评论中的圆周率

讨论串 · ELI5: Gödel's Incompleteness Theorem
1 条相关评论
- 证明与性质 · 2022-08-25 · 7 分
9720
Reddit · r/explainlikeimfive定义与几何

定义与几何 · 评论中的圆周率

讨论串 · ELI5: What do the aperature numbers on the camera mean exactly?
1 条相关评论
- 定义与几何 · 2022-11-01 · 7 分