We toured a specially modified Boeing 747 used as a 'flying laboratory' to test new jet engines. See inside.

GE Aerospace is building the world's largest jet engine for Boeing's new 777X, and it's using a giant 747 to test it. We ...
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NASA’s New Hybrid-Electric Jet Engine Just Proved It Can Power an Airliner

Five years ago, in 2021, American space agency NASA announced it is working on yet another project that doesn’t involve, well, space: the Hybrid Thermally Efficient Core (HyTEC). Since then, NASA’s ...