This little power bank can top off your Apple Watch in addition to other devices.
"When you go around research labs, or you talk to start-ups, they have really good sensors, and then you ask them how long they work. They say 'six months'. That's great for R&D... but in industry, I want this robot to work for 10 years," he says.
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特朗普國情咨文誇讚美國步入「黃金時代」 一文看懂關鍵點和爭議點
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