Continuous Liquid Interface Production, or CLIP, uses liquid resin with ultraviolet light and oxygen projected through it to create more complex structures than those of existing 3-D printers.
More than 600 Porto city buses and taxis have been fitted with routers to provide free Wi-Fi service. It's being touted as the biggest Wi-Fi-in-motion network in the world.
The sun sets as a visitor uses his mobile phone Monday during the opening day of the 2015 Mobile World Congress in Barcelona. Wall Street Journal reporter Ryan Knutson — interviewed from the conference Monday via Skype by NPR's Robert Siegel — says that for some smartphone users, Wi-Fi may be able to replace most of the functionality of a cellphone carrier.
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Emily Neblett, a patient at the Monroe Carell Jr. Children's Hospital in Nashville, Tenn., demonstrates circuit pieces from the mobile maker space that are connected by magnets.
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Whirlpool's Kitchen of the Future is on display at the International Consumer Electronics Show in Las Vegas. The concept includes a cooktop and connected backsplash that offers recipes and other information.