Player-racket interaction The higher stiffness of composite rackets means that they lose less energy to vibrations upon impact, so the player can hit the ball faster. However, there may be an increased risk of overuse injury to the arm when using a high stiffness racket with a large head. A lightweight modern racket with a lower swingweight (moment of inertia about the handle) is also easier for the player to wield, and they tend to swing them faster during strokes. … [Read more...] about How racket design made tennis faster—and more fun to watch
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The potentially more exciting update would be the introduction of long-awaited universal apps that could work seamlessly across Mac OS and iOS (though there’s some debate as to whether this will be announced at WWDC or later this year). Right now, developers have to build apps for both of Apple’s platforms distinctly, and consumers can get sucked into buying apps again and again as a result. After the update, iMacs and Macbooks would literally be able to run iPad apps, and a platform called UXKit will allow developers to design a single piece of software to run cross-platform. Aside from solving a lot of user confusion, this platform agnostic approach to apps could enable developers to be more creative about the interplay of their apps across various screens, and usher in an era where there’s actually some advantage to owning both an iPhone and an iMac. … [Read more...] about Apple’s biggest event of the year is looking unusually quiet
Engineers would call the QuaDror a “space truss geometry,” a wonky term for a sort of geometrical jujitsu: a structural joint that looks a little like a sawhorse, but can fold flat, making it both stunningly sturdy, remarkably flexible, and aesthetically pleasing. Today, the world is getting its first look at this marvel in person, when the Israeli designer introduces his brainchild at Africa’s pre-eminent design conference, Design Indaba, in Cape Town. … [Read more...] about Dror’s Folding Concrete Block Could Change How We Build [Video]
The view of backyard cottages as a family safety net raises the question of whether they’ll truly inspire homeowners to drop the isolated mindset that challenges urban density in the first place. Zoning and local politics might prove bigger hurdles. Smart growth has vehement opponents, and NIMBYs who see cottages as a threat to single-family neighborhoods might do their best to block new regulations, too. Financing problems also linger, especially since cottages don’t receive mortgage advantages given to income-based developments. … [Read more...] about The Next Big Thing In Urban Planning? Backyard Cottages
Its goals would be myriad: better understand the “environmental life cycle” of timber building products, increase the safety of tall timber buildings, and advocate for updated building codes that include easements for timber. The bill is supported by dozens of lumber trade groups, which could complicate its goals and the objectivity of its research. Even Green has accepted research grants and paid speaking engagements from the timber industry, though he comments that he and his organization “do not speak for forestry companies or the industry” and has declined to endorse organizations like the Sustainable Forest Initiative in the interest of remaining independent. … [Read more...] about Can Timber Skyscrapers Really Help Save The Planet?