USB-C is a complicated standard, and if you’ve got a new USB-C laptop, you’ll probably want an external hub to get back some of the ports you’re missing, like HDMI, Ethernet, USB Type-A, and SD card slots. We tried a bunch of hubs, considering things like charging speed, ports, design, and cost to find out which one is the best for your new computer. Subscribe: http://goo.gl/G5RXGs Here are some
Often we concentrate on showing the negative effective of new technologies on the development of babies, but could tablets, smartphones and other touchscreen devices help improve their motor skills? Discover more about babies' minds in Babies: Their Wonderful World http://bit.ly/twwobyt Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos Th
The Mechanical Battery Though more commonly known for its electro-chemical variant, a battery or accumulator is any device that stores energy. Batteries fundamentally allow us to decouple energy supply from demand. But a far lesser known, mechanical based rechargeable battery based on flywheel energy storage or FESS is showing a resurgence of interest. The Gyrobus was as an electric bus design
The practice cuts greenhouse-gas emissions only if you ignore the inconvenient fact that it requires a lot more land.
A growing number of classrooms in China are equipped with artificial-intelligence cameras and brain-wave trackers. While many parents and teachers see them as tools to improve grades, they’ve become some children’s worst nightmare. Video: Crystal Tai More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.

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