Article about using power gathered from radio waves, heat, and motion to power small devices such as sensors and cell phones.
The “smart” electric grid has held great promise for 15 years, but it’s not always been clear how deeply it’s penetrated our infrastructure — or what benefits it’s delivered. This article summarizes the current state of smart-grid technology, who’s implemented it, and where improvements are likely to appear. Online only.
A news article about wireless power transmission.
Intro: “Annoyed by the tangle of power cords under your desk? A sheet of plastic invented by researchers in Japan could one day make for tables and walls that power devices placed on them — without any need for wires or plugs. Computers could be powered through the desks on which they sit, for example, or flat-screen televisions through the walls where they hang.”
Reporting on a three-day conference about technology policy. This was my biggest case of preparation overkill: 12,000 words of notes went into a 575-word article.
Feature story about sensors to monitor energy consumption and other environmental data in residences. (Published in Communications of the ACM.)