Behind Eliud Kipchoge’s Record Run

Though Eliud Kipchoge’s record-breaking marathon run in Vienna will not count as an official world record, his feat is proof that a sub-two-hour marathon is possible—under almost perfect conditions. In a video for Wired, sport psychologist Michael Joyner explains just how Kipchoge did it. From the way he followed in his pacers’ draft and ran a course with minimal hills, to the carbon plate-imbedded sneakers …

Link About It: This Week’s Picks

Emissions-free cement, a women-only spacewalk, Soviet-era train stations, a very rare diamond and more from around the web

Google Maps Adds Vocal Guidance for Visually Impaired Users Now available on Google Maps iOS and Android apps (one day after World Sight Day), a more detailed voice feature will update and guide visually impaired people more effectively. To turn on the feature, access the settings page within the app and toggle through the navigation features and turn on detailed voice guidance under the walking …

Phonocut is An At-Home Vinyl Machine

An at-home consumer vinyl-cutting machine, the Phonocut means that anybody—provided you have a digital audio file—can make their very own records in three steps. Essentially “idiot-proof” (according to co-founder Florian “Doc” Kaps) the device cuts 10-inch vinyl as the music plays, and is able to hold 10 to 15 minutes of sound on each side. It will be available to back on Kickstarter next week, …