A house that runs on 800 watts a day

The average U.S. suburban house requires about 45 kilowatt hours of electricity per day. But according to this post by Treehugger, a model home on display at the National Building Museum in Washington can run on a miserly 800 watt hours a day. One of the many corner-cutting secrets: A stove with a built-in toaster.

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Roku 4: Our favorite TV streaming system gets 4K video and a remote locator

Ever lose your remote in the couch cushions? Ever wish you could stream 4K Netflix without having to use your TV's built-in app? Roku's new high-end player, the $129 Roku 4, brings these new extras to its best-in-class streaming ecosystem.

by David Katzmaier