Tucson-based Raytheon Missiles & Defense and partner Northrop Grumman successfully completed a key flight test of a hypersonic missile being developed for the Defense Advanced Research Projects Agency ...

NASA built an X-42A hydrogen-powered scramjet to reach speeds of Mach 9.6 for a brief moment in 2004. Therefore, this new ...

Key Points and Summary - NASA Planned a Mach 15 X-43D. It Never Flew — and That Matters Now. -NASA’s X-43A proved that an air-breathing scramjet could fly at hypersonic speeds, reaching Mach 7 and ...

Smart technology refers to devices, systems, and applications that utilize artificial intelligence, internet connectivity, and sensors to collect data, make decisions, and perform automated tasks.

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International stock ...

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