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New devices morph and transform — like Iron Man's suit
BYU researchers unfold new class of mechanical devices
It took just over 10 years, but real science has finally caught up to the science fiction of Iron Man’s transforming exoskeleton suit. In a paper published Feb. 13, 2019, in Science Robotics, engineers at Brigham Young University detail new technology that allows them to build complex mechanisms into the exterior of a structure without taking up any actual space below the surface.
This new class of origami-inspired mechanisms, called “developable mechanisms,” get their name from developable surfaces, or materials that can take on 3-D shapes from flat conformations without tearing or stretching, like a sheet of paper or metal. They reside in a curved surface (like, say, the arms of Iron Man’s suit) and can transform or morph when deployed to serve unique functions. When not in use, they can fold back into the surface of the structure seamlessly.
“These new discoveries make it possible to build complex machines that integrate with surfaces to be very compact, but can deploy and do complex tasks,” said researcher Larry Howell, professor of mechanical engineering at BYU. “It opens up a whole new world of potential devices that have more functions, but are still very compact.”
Making hyper-compact mechanisms is something increasingly important as manufacturers across medical, space and military industries are constantly working to get more complex functionality in less space. Potential applications of developable mechanisms include:
• Medical: Surgical instruments that can both cut materials and deploy lights simultaneously during minimally-invasive surgery
• Vehicles and airplanes: Storage components that could deploy from the inner surface of the fuselage and be completely out of the way when not in use
• Military: Quad-rotor drones that have adjustable wing spans for fitting in tight spaces
• Space: Wheels that could deploy claws for rock crawling, which could be especially useful to an interplanetary rover.
This new class of mechanical structures evolved from Howell and colleague Spencer Magleby’s work on origami-based engineering, done in collaboration with origami artist Robert Lang. From solar arrays for NASA to bulletproof barriers for police officers, their work has generated national and international coverage. As the group of researchers moved to curved origami principles, the mathematics revealed a new way of doing more complex machines.
“Origami was a stepping stone to this,” Magleby said. “The art of Origami has inspired us to do things that don’t even look like Origami, yet it is the core of much of this new engineering.”
The new line of research is sponsored by the National Science Foundation and includes researchers at BYU, the University of Southern Indiana and Lang Origami.
“It’s pretty cool to accomplish things that have merely been science fiction in the past,” Howell said. “These are discoveries that will enable us to do things that no one has ever been able to do before. And we hope that other engineers, as they build on these discoveries, will apply them in ways that will help make the world a better place.
Video credits: Producer Julie Walker; Cinematography Brian Wilcox; Editor Hannah Hansen
News release written by Todd Hollingshead (BYU) See more at news.byu.edu/news/byu-researchers-unfold-new-class-mechanical-devices
Ferreflection Pool combines real-time video interpolation, microprocessors and 320 electromagnets to create reflective silhouettes of a viewer's moving body. The fluid is magnetically responsive and puckers into a spike when triggered.
Ferroflection Pool was featured at the «Innovators of LA» show in down town LA 2014. It combines real-time video interpolation, microprocessors, and electromagnets to create reflective fluid silhouettes of the viewers moving body.
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49 ДНЕЙ ОН ВЫЖИВАЛ В ОТКРЫТОМ МОРЕ. УЗНАЙ ЕГО ИСТОРИЮ СПАСЕНИЯ
Люди, чья работа, или увлечение так или иначе связаны с открытой водой, хорошо знают: в океане ни на секунду нельзя расслабляться. Судно, направление ветра и течений – всё должно находиться под ежеминутным контролем, потому что одна единственная ошибка может стоить жизни. Несчастные, чьи судна унесло в открытый океан, обречены на долгую и мучительную смерть. Без еды, под солнцем, в окружении воды, которую нельзя пить, постоянно опасаясь шторма, который принесет с собой гигантские, разрушительные волны. Именно в такой ситуации оказались герои нашего сегодняшнего ролика, однако… каким-то невероятным образом им удалось выжить. Смотрите дальше, чтобы узнать, как это у них получилось.
Если бы кому-то пришло в голову устроить опрос среди людей, родившихся в 90-х годах, и задать вопрос: какая франшиза ваша самая любимая? Что-то подсказывает, что главный полученный ответ звучал бы так: конечно же, Гарри Поттер! И действительно, миллионы детей в буквальном смысле выросли на истории мальчика, который выжил. Читали книги, с нетерпением ждали выхода новых фильмов. С премьеры первой части серии прошло почти двадцать лет, однако и сегодня интерес к магическому миру не угасает. Это уникальное явление, о достоинствах фильмов и книг можно говорить очень долго, однако… мы сегодня поговорим о недостатках. Перед вами подборка нескольких логических ошибок, которые мы отыскали в восьмерке фильмов.