xkcd 'what if

xkcd, sometimes styled XKCD, is a webcomic created in 2005 by American author Randall Munroe. Regardless of where you come down, you'll need to contend with supersonic winds, so you should wear lots of protective gear. At first, the combination of the Moon's gravity and centrifugal force are stronger, pulling you toward the Moon, but as you get closer to the Earth, Earth's gravity takes over. [[A large black circle with white bubbles inside it, filled with hearts, question marks, and stick figure couples]] This means you're free to copy and share these comics (but not to sell them). This means you're free to copy and share these comics (but not to sell them). Come to discuss the comics and other work by Randall with other fans. The World Out now and coming soon from publishers worldwide. Ok, that's a lie—there are, like, hundreds more problems. Let's buy a little time by trying to figure it out anyway. Sunday, September 14 In general, the fact that the Earth spins is very fortunate for you, and for the planet's overall habitability. More details. [12]It's common knowledge that Mt. Instead of sliding, you'll have to climb. More details.. Cayambe's southern slope also happens to be the highest point on Earth's surface directly on the Equator. Cory Doctorow 11:00 am Mon Jun 2, 2014 . It peaks twice every month as it passes over the fast-moving equator, then reaches a minimum when it's over the slower-moving tropics. Then, at last, you can drift safely to the ground, having traveled from the Moon to the Earth completely under your own muscle power. You could use it as the basis for a statistics Ph.D. I'm not even sure how I feel You can read a brief introduction about this wiki at explain xkcd.Feel free to sign up for an account and contribute to the wiki! But let's ignore those problems! This is why anything that falls into the Earth hits the atmosphere fast enough to burn up. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. [15]For aerodynamic reasons, this gear should probably make it look like you're wearing a very fast airplane. Hopefully you brought some kind of safety line so you can recover if that happens. [5]Of course there are championship competitions. from $19.00 Compiling. A former NASA roboticist, he left the agency in 2006 to draw comics on the Internet full-time, supporting himself through the sale of xkcd t-shirts, prints, posters, and books. from $19.00 Correlation. At best, you'll be flung away and plummet to your death. The illustrated book, released on September 2, answers reader-submitted questions about imaginary scenarios that spark Munroe’s interest. If you don't stop yourself, you'll reach the top of the atmosphere at roughly escape velocity—11 km/s[8]This is why anything that falls into the Earth hits the atmosphere fast enough to burn up. Even more obscure is the question of which point on the Earth's surface moves the fastest as the Earth spins, which is the same as asking which point is farthest from the Earth's axis. [1]For one, someone at NASA would probably yell at us. can climb at over a meter per second in championship competition. Sadly, no one's figured out a practical way to build a "reverse heat shield" rocket. More details. We need explanations for comics, characters, themes and everything in between.If it is referenced in an xkcd web comic, it should be here.. xkcd what if, Randall Munroe is the author of the #1 New York Times bestseller What If?, the science question-and-answer blog What If, and the popular webcomic xkcd. The Earth's surface spins faster than the Moon goes around, so the end that dangled down to the Earth would break off if you tried to connect it to the ground: There's one more problem:[2]Ok, that's a lie—there are, like, hundreds more problems. Creative Commons Attribution-NonCommercial 2.5 License. Even. People often say, "It's not the fall that kills you, it's the sudden stop at the end." I mean, unfortunately in this specific context. Everest is the tallest mountain on Earth, measured from sea level. The purpose of a "what-if" scenario is to consider what effects might be caused if some event or invention had come about. In my opinion, it's worth going outside and looking at the Moon whenever it's full, regardless of whether it's super or not. An Excerpt from XKCD's What If? Its orbit takes it closer and farther away. from $19.00 Tech Support. When you're hanging onto the pole, there are three forces pulling on you: The Earth's gravity pulling you toward Earth, the Moon's gravity pulling you away from Earth, and centrifugal force[6]As usual, anyone arguing about "centrifugal" versus "centripetal" force will be put in a centrifuge. Munroe, a former NASA roboticist with an undergraduate degree in physics, is known for drawing xkcd, stick figure comics that cover a range of topics including math, coding and physics. Cayambe's southern slope also happens to be the highest point on Earth's surface directly on the Equator. Reddit gives you the best of the internet in one place. The pole would be torn in half. You may occasionally see people get excited about the ", As usual, anyone arguing about "centrifugal" versus "centripetal" force will. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you. Hopefully in a couple of weeks we'll be able to resume our apple-focused updates, because we have SO MUCH to say about Cosmic Crisp. [9]People often ask why we don't use rockets to slow down, to avoid the need for a heat shield. ~AgentMuffin. When this happens, be careful—soon, you'll need to start worrying about going too fast. is a blog by Randall Munroe, the creator of the Stick-Figure Comic xkcd. Eventually, as you reach the vicinity of the L1 point and are no longer fighting gravity, the only limit on your speed will be how quickly you can grab the pole and "throw" it past you. First, let's get a few things out of the way: In real life, we can't put a metal pole between the Earth and the Moon. Chimborazo in Ecuador, due to the fact that the planet bulges out at the equator. : Serious Scientific Answers to Absurd Hypothetical Questions is due out September 2. What If? [1]For one, someone at NASA would probably yell at us. Apparently a "lot of things" not limited to atomic fusion, generation of plasma and a substantial atomic blast. It's actually a pentagon. First, let's get a few things out of the way: In real life, we can't put a metal pole between the Earth and the Moon. Unfortunately for you, space is big, so "pretty close" is still a long way. Let's all just be glad that Earth keeps rotating. People often ask why we don't use rockets to slow down, to avoid the need for a heat shield. Mt. The lowest speed of the next cycle will be on May 1st, 2025, so if you want to wait until 2025 to slide down, you can hit the atmosphere when the pole is moving at only 390 m/s relative to the Earth's surface. He likes candlelight dinners and long walks on the beach. Make sure to keep your speed low during the whole approach and descent—and, if necessary, pausing to let your hands or brakepads cool down—rather than waiting until the end to try to slow down. Members. XKCD: the TED talk. This is tricky to calculate, because the Moon's ground speed varies over time in a complicated way. Thanks to heat shields, slowing down is much easier than speeding up—which requires the aforementioned giant fuel tank. Randall has a Twitter feed, @whatifnumbers, of numbers he comes up … [7]At the distance of the Moon's orbit and the speed it's traveling, centrifugal force pushing away is exactly balanced by the Earth's gravity—which is why the Moon orbits there. A somewhat more obscure piece of trivia is that the point on the Earth's surface farthest from its center is the summit of Mt. from $19.00 Shark. Top posts february 10th 2016 Top posts of february, 2016 Top posts 2016. Reddit has thousands of vibrant communities with people that share your interests. Munroe states on the comic's website that the name of the comic is not an initialism, but "just a Instead, you should probably wait until you're somewhere near airline cruising altitude, where the air is still thin, so it's not pulling at you too hard—and let go of the pole. A few of my favorites: * What happens when a Baseball is pitched at 90% of the speed of light? Warning: this comic occasionally contains strong language (which may be unsuitable for children), unusual humor (which may be unsuitable for adults), and advanced mathematics (which may be unsuitable for liberal-arts majors). Join. Do you make a distinction between shallots, scallops, and scallions? Then, as the air carries you away and you fall toward the Earth, you can open your parachute. The comic's tagline describes it as "A webcomic of romance, sarcasm, math, and language". (For more on this, see this What If question).Heat shields only work for slowing down; if there were a way to use the same heat shield mechanism to speed up, space travel would get a lot easier. Even if you climb at better-than-world-record speed, it will still take you several years to get to the L1 crossover point. from $19.00 Centrifuge. Note: While you're flinging yourself along, be careful not to drift out of reach of the pole. The Moon's ground speed varies pretty regularly, making a kind of sine wave. Spacecraft deal with this problem by including heat shields, which are capable of absorbing and dissipating this heat without burning up the spacecraft behind it. The comic's tagline describes it as "A webcomic of romance, sarcasm, math, and language". This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. The best baseball pitchers can move their hands at about 100 mph while flinging objects past them, so you probably can't expect to move much faster than that. What if I'm making a mistake? Munroe states there is no particular meaning to the name and it is simply a "treasured and carefully-guarded point in the space of four-character strings." People can climb poles pretty fast. This work is licensed under a [‡ 3] [2] Munroe states on the comic's website that the name of the comic is not an initialism , but "just a word with no phonetic pronunciation". The end of the pole near the Moon would be pulled toward the Moon by the Moon's gravity, and the rest of it would be pulled back down to the Earth by the Earth's gravity. How far into the periodic table could you get? Randall Munroe is the author of the #1 New York Times bestseller What If?, the science question-and-answer blog What If, and the popular webcomic xkcd.A former NASA roboticist, he left the agency in 2006 to draw comics on the Internet full-time, supporting himself through the sale of xkcd t-shirts, prints, posters, and books.He likes candlelight dinners and long walks on the beach. Asking how fast the pole is moving relative to the surface is effectively the same as asking what the "ground speed" of the Moon is. from $19.00 QR Code. My son (5y) asked me today: If there were a kind of a fireman's pole from the Moon down to the Earth, how long would it take to slide all the way from the Moon to the Earth? /r/xkcd is the subreddit for the popular webcomic xkcd by Randall Munroe. However, while the idea seems silly, in a sense it's sort of the principle behind both Project Orion and laser ablation propulsion. More details. If you get up to escape velocity, then at the last minute remember that you need to slow down, you'll be in for an unpleasant surprise as you try to grab on to the pole. : Serious Scientific Answers to Absurd Hypothetical Questions is out now in the US, published by Houghton Mifflin Harcourt! Passionate about something niche? There's this recurring theme in xkcd of the possibility and choice to pursue the unknown, with other such comics including 59, 137, 267, and 706. For Want of a Nail is a what-if … I came across it in this post from Palko, which is on the topic of that Dow 36,000 guy who keeps falling up and up. The answer isn't Chimborazo or Everest. At what point would your periodic table start killing you? Here's the plot of the Moon's "ground speed" over the next few decades: The Moon's top speed stays pretty constant, but the lowest speed rises and falls with an 18.9-year cycle. from the swinging pole pulling you away from Earth. We got the chance to chat with Munroe last year, before the release of his previous book, “What If?” Randall Munroe, the guy behind Internet sensation … But really, the full Moon always looks surprisingly large and pretty when it's near the horizon, thanks to the Moon illusion. Note: Anyone can view the Hangout live on YouTube (Friday, 9/12, 3:30pm PT), but only 4-6 xkcd readers will be selected using this form to participate and ask questions within the Hangout itself. Millions of people visit xkcd.com each week to read Randall Munroe’s iconic webcomic. xkcd is a webcomic created by Randall Munroe, a former contractor for NASA.He describes it as "a webcomic of romance, sarcasm, math, and language." On the other hand, you'll have to wear a spacesuit, so that will probably slow you down a little. Thanks to heat shields, slowing down is, Yes, I know, orbits are conic sections which in the case of the Moon is. and its surface moves a lot faster than 35 mph; at the Equator, it can reach over 1,000 miles per hour. That's how fast the top end of our hypothetical fire pole will be traveling. United States - Audio | Blackstone Audio | September 2, 2014 available to order from: Downpour, Amazon, Barnes & Noble. from $19.00 Sysadmin. Unfortunately for you, the Earth is also spinning,[11]I mean, unfortunately in this specific context. At worst, your hands and the surface of the pole will both be converted into exciting new forms of matter, and then you'll be flung away and plummet to your death. It's not a big difference,[3]You may occasionally see people get excited about the "supermoon," a full Moon that appears slightly larger because it happens at the time of the month when the Moon is closest to Earth. We can’t go around linking to xkcd all the time or it would just fill up the blog, but this one is absolutely brilliant. A serious scientific answer to an absurd hypothetical, and the first chapter of Randall Munroe's upcoming book. When the Moon is over a point farther from the equator, it has a lower "ground speed," so the lower end of the sine wave goes lower. |<
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