{"id":480864,"date":"2026-05-25T07:46:32","date_gmt":"2026-05-25T07:46:32","guid":{"rendered":"https:\/\/savepearlharbor.com\/?p=480864"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=480864","title":{"rendered":"Why do right-handed and left-handed people exist? Why did god create us with non-equivalent limbs?"},"content":{"rendered":"<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<h4><\/h4>\n<p>Explaining It through robotics <\/p>\n<p>\u00a0We couldn\u2019t find an answer to this question online, so we decided to propose our own\u2014perhaps the first version of this idea ever suggested.<\/p>\n<p>SpecLab became involved in robotics thanks to one of our devices \u2014 the VideoBlazer \u2014 which found applications as a neural-network-based tool for programming robots. Support for 3D cameras that measure distances and recognize objects using neural networks makes it possible to control robotic manipulators quite effectively.<\/p>\n<p>As we dove deeper into robotics \u2014 especially self-learning systems based on neural networks \u2014 we began discovering more and more parallels with human nature. It almost feels as if God designed us using the same principles.<\/p>\n<p>In many tasks involving two or more identical manipulators, electronic brains face a problem that modern science still struggles to solve: which \u201chand\u201d should move first?<\/p>\n<p>Imagine a humanoid robot that needs to pick up a bucket. Which hand should it use?<\/p>\n<p>Or suppose it has to throw a ball. Which arm should make the throw?<\/p>\n<p>There is an old philosophical story about a hungry donkey standing exactly between two identical piles of hay. Unable to decide which one to approach first, the donkey ultimately died of hunger. For robots, this kind of dilemma becomes a real deadlock.<\/p>\n<p>Of course, engineers can introduce a random number generator. But perfect randomness does not truly exist \u2014 or, as Einstein famously said, \u201cGod does not play dice.\u201d More importantly, manipulation tasks involving many joints and limbs become exponentially more complex if every movement must begin with a random choice of which manipulator acts first.<\/p>\n<p>Everything becomes dramatically simpler if one \u201chand\u201d or \u201cleg\u201d is predefined to initiate movement first, while all others follow in a fixed sequence. A surprisingly simple and trivial solution.<\/p>\n<p>Without the concepts of \u201cright\u201d and \u201cleft,\u201d the computational complexity of coordinating movements grows enormously \u2014 almost as if the number of possible actions were raised to the power of itself. Some may remember the medieval legend about placing grains of wheat on a chessboard until the amount forms a path to the Moon.<\/p>\n<p>That is why, in robotics, identical devices often need a built-in priority system: which one acts first whenever multiple equivalent choices exist. Otherwise, the robot could waste its entire battery trying to decide between two identical options before even reaching the nearest power outlet.<\/p>\n<figure class=\"full-width \"><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/9f4\/541\/2b3\/9f45412b3f63e00c6f27de97c8eed362.png\" width=\"866\" height=\"495\" sizes=\"auto, (max-width: 780px) 100vw, 50vw\" srcset=\"https:\/\/habrastorage.org\/r\/w780\/getpro\/habr\/upload_files\/9f4\/541\/2b3\/9f45412b3f63e00c6f27de97c8eed362.png 780w,&#10;       https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/9f4\/541\/2b3\/9f45412b3f63e00c6f27de97c8eed362.png 781w\" loading=\"lazy\" decode=\"async\"\/><\/figure>\n<p>Olesya Grishanina<br \/>=SpesLab=<\/p>\n<\/div>\n<p>\u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/1038892\/\">https:\/\/habr.com\/ru\/articles\/1038892\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Explaining It through robotics \u00a0We couldn\u2019t find an answer to this question online, so we decided to propose our own\u2014perhaps the first version of this idea ever suggested.SpecLab became involved in robotics thanks to one of our devices \u2014 the VideoBlazer \u2014 which found applications as a neural-network-based tool for programming robots. Support for 3D cameras that measure distances and recognize objects using neural networks makes it possible to control robotic manipulators quite effectively.As we dove deeper into robotics \u2014 especially self-learning systems based on neural networks \u2014 we began discovering more and more parallels with human nature. It almost feels as if God designed us using the same principles.In many tasks involving two or more identical manipulators, electronic brains face a problem that modern science still struggles to solve: which \u201chand\u201d should move first?Imagine a humanoid robot that needs to pick up a bucket. Which hand should it use?Or suppose it has to throw a ball. Which arm should make the throw?There is an old philosophical story about a hungry donkey standing exactly between two identical piles of hay. Unable to decide which one to approach first, the donkey ultimately died of hunger. For robots, this kind of dilemma becomes a real deadlock.Of course, engineers can introduce a random number generator. But perfect randomness does not truly exist \u2014 or, as Einstein famously said, \u201cGod does not play dice.\u201d More importantly, manipulation tasks involving many joints and limbs become exponentially more complex if every movement must begin with a random choice of which manipulator acts first.Everything becomes dramatically simpler if one \u201chand\u201d or \u201cleg\u201d is predefined to initiate movement first, while all others follow in a fixed sequence. A surprisingly simple and trivial solution.Without the concepts of \u201cright\u201d and \u201cleft,\u201d the computational complexity of coordinating movements grows enormously \u2014 almost as if the number of possible actions were raised to the power of itself. Some may remember the medieval legend about placing grains of wheat on a chessboard until the amount forms a path to the Moon.That is why, in robotics, identical devices often need a built-in priority system: which one acts first whenever multiple equivalent choices exist. Otherwise, the robot could waste its entire battery trying to decide between two identical options before even reaching the nearest power outlet.Olesya Grishanina=SpesLab=\u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 https:\/\/habr.com\/ru\/articles\/1038892\/<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-480864","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/480864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=480864"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/480864\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=480864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=480864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=480864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}