Science: Paying Reactor?

Nuclear power reactors are like bright college graduates: they have promise, but have not yet made any money. The first to do a real, paying job may be a small (10,000-kilowatt) plant that was approved this week by the Atomic Energy Commission. Designed by Nuclear Development Corp. of America, it. will be built for the Chugach Electric Association of Anchorage, Alaska, where electric power is scarce and expensive.

The reactor will be of novel design, using heavy water as the moderator to slow down its neutrons, and liquid sodium as the coolant to extract the heat of the reaction. This combination is...

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