of Boise, Idaho, came up with an idea for staying warm without burning the usual coal or wood: They piped water from nearby hot springs into their own homes to heat them, as well as into the local Natatorium, an indoor swimming pool and spa.
Lights Out
“THAT NOISE YOU HEAR? It’s power,” Christine Lewis told me above the faint buzz emanating from the Cowlitz electrical substation in western Washington. Lewis, the senior manager for transmission and distribution at Tacoma Public Utilities, was explai