POWERING the Internet of Things

摘要

The Internet of Things (IoT) will be millions or billions of wireless sensors, monitoring everything from doors and windows to air quality and soil pH. It won't all plug into the wall, so how will we power it? We've been conditioned to think of computing progress in terms of ever greater horsepower - megabytes moved, or millions of triangles drawn and shaded - but that's not the only path we can go down.