TechnologyVoice assistants dominate CES as Google plays catchup with Alexa Google had more than 350 voice-controlled devices at the Consumer Electronics Show, including speakers, cars, and a giant toy town complete with a railway ¿ìè¶ÌÊÓÆµ
TechnologyCharge your phone using ambient light and printed solar cells Printed plastic solar cells should be able to harvest enough energy from indoor light to power your phone within the next few months ¿ìè¶ÌÊÓÆµ