Radio waves exert force on things. 188.114.111.224 22:34, 21 February 2015 (UTC), In the first panel, Cueball forgot to mention Einstein's field equations. Weak Horse, Strong Horse, Flavor Horse, Chromatic Horse... 199.27.128.194 01:57, 24 February 2015 (UTC), couldnt the title text joke just be joking about how the professor doesnt know anything? 173.245.56.209 (talk) (please sign your comments with ~~~~), As a philosopher, my interpretation was not that Cueball "can't encapsulate" the ideas, but that no one really understands them, even specialists. It [mumble mumble] radioactive decay [mumble mumble] Renormalist (talk) 11:12, 20 February 2015 (UTC), Irony like this is not uncommon in physics. So, how much force can tug-of-war players exert? Presumably aiming for somethin like this Wikipedia overview: Fundamental interactions, … -CDJ, https://www.explainxkcd.com/wiki/index.php?title=1489:_Fundamental_Forces&oldid=199156. The comic also outlines how progressively difficult it gets to describe the forces. Not a lot of force. ... force is so small is one of the reasons why the weak interaction force is so weak and the actual "force" part of the weak force is largely insignificant since it does not result in any bound states. Magnetism Weak force → Strong force The unification of electromagnetism and the weak nuclear force—known as the electroweak interaction—is the only currently-accepted unification of two fundamental forces. What was the first encounter with electric phenomena? This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. Lord Vader has apparently force-choked himself to the point of unconsciousness (or possibly even death) and is being transported from his house on a stretcher by two Emergency Medical Technicians (EMTs). 108.162.241.11 21:55, 20 February 2015 (UTC), Is it just possible that Randall posted this forum to see how we here actually try to explain strong and weak Forces? Figure: -And those are the four fundamental forces! Standard Model, Chirality, Helicity, W & Z bosons, and the Weak Nuclear Force. "}}, xkcd.com is best viewed with Netscape Navigator 4.0 or below on a Pentium 3±1 emulated in Javascript on an Apple IIGS, Creative Commons Attribution-NonCommercial 2.5 License. What it has instead is the property of changing one particle into another. This means you're free to copy and share these comics (but not to sell them). Off-panel: Also what? And ironically that situation looks similar to the real scientific understanding of the topic. 199.27.128.200 (talk) (please sign your comments with ~~~~), I prefer Chromatic Force and Flavor Force. Weak, bordering on homeopathic. The standard cup of tea, as described by the International Organization for Standardization in ISO 3103, contains two grams of tea per 100 mL of water. "Is it the weak force or the strong--" "It's gravity. It's really the nuclear force (or residual strong force) that keeps nucleons together in an atomic nucleus. The gravitational force between adjacent starlings is small. "Force-choking the chicken" might mean a technique of self-gratification by use of the "force… In #1 Fundamental Forces (xkcd 1489), the narrator starts out boldly and then winds down. Cueball is a stand-in for scientists, and while he likely understands these concepts very well, has no earthly idea how to encapsulate them for someone who hasn't studied them in-depth. Spot on. i think thats irony, but maybe not. Figure: And (4) The Weak Force. BLAG STORE ABOUT A … This means you're free to copy and share these comics (but not to sell them). More details.. the joke is its the only one he can describe easily, but then he says its the most difficult one. More details. d^2 This means you're free to copy and share these comics (but not to sell them). The off-panel audience, probably a student or class, is interested, but quickly begins to realize Cueball's lack of understanding. One of … Right. There is something about the way Randall captures the exact way I think (have been trained to think?) The xkcd comic above is available under a creative commons license. Prev; Next; Yoda. Baby. —Ryan Finnie. Malamanteau314 (talk) 04:59, 6 November 2015 (UTC), Should the explanation be updated to note the discovery of gravitational waves? Or the divisibility paradoxon. So yes, the weak force can push and pull just like any other force. Relevant SMBC. Today's XKCD cartoon accurately depicts the sad state of explanations of the fundamental forces. He seems to understand the general idea of the four fundamental forces, but his understanding gets progressively more sketchy about the details. 108.162.254.98 11:58, 20 February 2015 (UTC), In high school Physics, my class was taught that physicists had recently combined the Electromagnetic and Weak Nuclear forces into the Electro-Weak Force, so there were only three and if we were to find the Higgs Boson, there might be just two or one. In this comic strip, Randall is proposing some changes to the Standard Model of particle physics. This is known as beta decay, a form of radioactivity. like if hes just saying that from a quantum point of view that gravity is the hardest, then its not really a joke. --188.114.101.78 10:31, 20 February 2015 (UTC), To me it appeared as a typical exam situation for Cueball with him being the pupil. |< Quarks and Gluons explained. In our example xkcd comic, 44 bits of entropy is estimated to take 550 years to brute force. Instead of acknowledging the problem directly, Cueball simply blusters onwards. The message of this XKCD entry is that it's much more secure to use phrases of plain words (without odd capitalization, substitutions, etc.) Figure: It's strong. On the other hand, a password such as "correcthorsebatterystaple" is hard for computers to guess due to having more entropy but quite easy for humans to remember. Instead of acknowledging the problem directly, Cueball simply blusters onwards.», My interpretation is rather different. I've also updated the description of the commit (and force-pushed) and of the PR. than to use a single word with some substitutions in one particular "common format". But this is only half of the question in the XKCD comic. Like Socrates was the expert ethicist simply by virtue of not knowing what the good is, Cueball (Monroe?) Off-panel: I see. Unlike the weak force, though, the residual nuclear force decays over a much longer distance about the width of an atomic nucleus. Same goes for gravity. I've added one more bug to the list of fixes: genpass-xkcd was producing too short (weak) or too strong (long) passwords and/or printing errors when IFS was set to a non-default value (either missing \n or including anything from [a-zA-Z]). Hence the scrollover punchline. Mikemk (talk) 07:50, 16 February 2016 (UTC), For the record, this is, with only a very little exaggeration, exactly how the four fundamental fources were presented to me in high school. A 2011 paper analyzing the immune systems of several "elite tug-of-war players" [3] The paper notes that "Few studies have been done to examine the effects of [the] tug-of-war sport on physiological responses," which seems likely enough to me. There’s a great SMBC comic exploring the geopolitical consequences of having Superman turn a crank to provide an unlimited source of energy. The weak force is much weaker than electromagnetism at typical distances within an atomic nucleus, and has a short range, so has very little effect as a force, but has the property of changing one particle into another. This comic says that a password such as "Tr0ub4dor&3" is bad because it is easy for password cracking software and hard for humans to remember, leading to insecure practices like writing the password down on a post-it attached to the monitor. It holds protons and neutrons together. However, all stable heavy particles are neutral to the strong force, due to being made up of three "colors" (or a color and the appropriate "anticolor") of quarks. {{Title text: "Of these four forces, there's one we don't really understand." CircularReason (talk) 14:55, 13 June 2015 (UTC), I find a different humor in this than it seems the rest of you do. Cueball is acting here as someone teaching physics at a basic level, perhaps a high school science teacher. This residual strong force is carried by pions and does decrease rapidly and exponentially with distance due to the pions having mass. “Of these four forces, there’s one we don’t really understand.” “Is it the weak force or the strong—" “It’s gravity.” SEARCH COMIC TITLES AND TRANSCRIPTS: Search RSS FEED - ATOM FEED COMICS I ENJOY: THREE WORD PHRASE, OGLAF (NSFW), SMBC, DINOSAUR COMICS, A SOFTER WORLD, BUTTERSAFE, PERRY BIBLE FELLOWSHIP, ARCHIVE WHAT IF? 11 months ago. The alt text highlights the irony of this situation, where the lack of any comprehensible explanation of the strong and weak forces leads the audience to believe that they are not well-understood, but in fact it is gravity, the force they simply accepted without question, that is a mystery. Come to discuss the comics and other work by Randall with other … There are quite a number of assumptions being made there, (assuming max key space walks for every attack, assuming static crack rates of 1000 H/s, assuming straight brute force of bits, etc.) 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). This is an inverse square law multiplied by an exponential decay with distance. The mass defect and therefore the nuclear binding energy is determined by the number of protons and neutrons in the nucleus. The weak force is a force, but is there a nice, neat equation for it like there is for electromagnetism and gravity? Figure: ANd also maxwell's equations Electromagnetism is less intuitive to a layman, but its effects are still observable, so the audience, accepting it, seems more concerned that Cueball glosses over a hint that it's a bit more complex than his initial explanation would suggest. How much Force power can Yoda output? This is confirmed by the title text (if Cueball didn't understand the theory of fundamental interactions, he wouldn't give that answer). Triboelectricity. As an out of practice physicist now teaching high school physics this is word for word what I would have said should I have to explain the fundamental forces without researching any of the things that have slipped my mind. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. I’m going to—of course—ignore the prequels. The average cell phone transmitter exerts about a billionth of a newton of pressure on its surroundings. I just … The explanations of strong and weak forces are no more coherent, but the complete lack of observable effects to laymen makes this lapse unforgivable to the audience. It can cause a down quark to become an up quark, and in the process release a high-energy electron and electron anti-neutrino. Gravity is a phenomenon that is readily observable to anyone, and so the audience accepts it without question--note that Cueball's explanation doesn't really do the topic any better justice than his explanations of the other forces; he just doesn't need to. The electromagnetic force does indeed give rise to Coulomb's law of electrostatic interaction (another inverse-square law, proposed in 1785), but a much more comprehensive description, covering full classical electrodynamics, was only given in Maxwell's equations around 1861. This work is licensed under a This residual strong force is carried by pions and does decrease rapidly and exponentially with distance due to the pions having mass. Two xkcd cartoons from the world of science (the fundamental forces of physics) and math/computer science (NP-complete problems): (#1) (#2) Fundamental Forces. Why use weak names when we have new strong ones? The title text refers to the fact that it is gravity that appears to be the simplest and easiest to understand of the four forces, but turns out to be the hardest to reconcile with a coherent (quantum) understanding of all four forces together.
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