• Posted by Tim Jarrett
  • On March 28, 2004

  • Filed under Space

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Faster than a speeding bullet

The hypersonic test flight of the X-43A, NASA’s scramjet test plane, had special significance for our family. My dad was working on the program that produced the engine while he was in research at NASA. His part was subtle but important: how do you figure out if your engine is running hot (or cold, or [...]