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Teen solves centuries-old math problem
WASHINGTON, May 11 (UPI) -- The U.S. Defense Advanced Research Projects Agency announced that the first phase of the Vulcan engine-system development program is under way.
DARPA selected defense contractors Alliant Techsystems, General Electric, Rolls-Royce and United Technologies to support the eight-month development phase for the Vulcan program.
Officials said the next-generation Vulcan propulsion technology is being developed to enable an acceleration of a full-scale hypersonic vehicle from a resting status to Mach 4 speeds. The advanced propulsion system will support intelligence, surveillance and reconnaissance missions, among others.
According to a news release, the four contractors will "develop systems requirements and a conceptual design for a constant volume combustion demonstration system and develop a critical technology development plan to reduce risk on all key aspects of the Vulcan engine."
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OTTAWA, May 25 (UPI) --
Canadian regulators announced they approved of plans offered by pipeline company TransCanada to expand an eastern natural gas system.
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LONDON, May 25 (UPI) --
Military pilot training and training aircraft were in the news this week, with European companies reaping more than $3 billion in contracts.
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First-time buyers are driving the expectations that a recovery has begun. Their numbers and market share are growing despite financing roadblocks and competition with investors for entry-level homes. ...
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The photos are familiar, but the captions are not, as economic tension skips across the continent of Europe.
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