Most aquatic animals propel themselves with a tail or fluke, so roboticists have long been interested in the remarkable speeds possible by mimicking sea lion propulsion with front flippers.
Don’t be fooled by a sea lion’s big, sweet eyes and playful demeanor—these guys move through water like a torpedo. While most animals swim using a tail or fluke, sea lions clap their fore flippers into their bodies to propel themselves to incredible speeds. It’s an elegant, efficient movement that land-dweller Megan Leftwich, an associate professor of mechanical engineering at George Washington University, wants to reproduce in robotic form.
• How Sea Lions Are Inspiring the Future of Underwater Transport (YouTube / Great Big Story)
Young @Pugloca has his finger on the pulse of the zeitgeist -- the self-described anime and Halflife fan came to Vidcon in this stunning cosplay: an influencer apology video, replete with many, many ads. He was spotted by The Atlantic's Taylor Lorenz.
Back in 2010, It Books published Mary-Lou Weisman's biography of MAD Magazine icon Al Jaffee: Al Jaffee's Mad Life: A Biography; I missed it then but happened upon Arie Kaplan's 2011 writeup in The Jewish Review of Books this morning and was charmed by the biographical sketch it lays out.
Life360 is an app that lets you track a mobile phone user in fine-grained, realtime detail, with options to set alert for things like "is this person exceeding the speed limit?" It's widely used by parents to track their teens, and this seems to be the summer where it comes into its own, with millions […]
When it comes to passwords, there’s no such thing as paranoia. You want them secure and complex, and you definitely don’t want to repeat them on all your accounts. The trouble is, the internet seems to keep growing. And so do those accounts. Just one lockout from an important email or banking site is enough […]
With the rising temperatures on tap this summer, the climate is going to be a frequent topic of conversation, and those conversations won’t be happy ones. Luckily, there’s a way to do a little climate change of your own – in a safe and sustainable way. When it comes to personal air conditioners, EvaPolar is […]
Whether you’re using them for next-level selfies or steady tracking shots, gimbals are a must for anyone who wants to maximize the potential of these powerful smartphone cameras we’re all carrying around. But those smartphones are also supposed to be portable, and let’s face it: Gimbals tend to offset that advantage. Weighing in at just […]