And now for something completely different from Amazon billionaire Jeff Bezos: His latest mass email isn’t about jobs, or Donald Trump, or his new D.C. digs. It’s about a rocket engine boost pump.
Bezos’ Blue Origin space venture, which he founded more than 16 years ago, is in the midst of building a next-generation rocket engine fueled by liquefied natural gas, known as the BE-4. Today, Bezos lifted the curtain on one of the engine’s subassemblies and highlighted how Blue Origin is using 3-D printing.
