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 …

Researchers Find Emissions-Free Way to Make Cement

Researchers at MIT have developed a way (though admittedly experimental) to produce emissions-free cement—that means the manufacturing process “releases no carbon dioxide into the atmosphere.” This is a hugely significant breakthrough, as cement manufacturing (for the intention of making concrete) is responsible for almost 10% of global emissions. The process includes an electrochemical method, which would replace the current one, which is dependent on fossil-fuels. …