YOKOTA AIR BASE, Japan — Tech. Sgt. Tylar Cravens believes he has an idea that could change the way the Air Force trains aircraft maintainers, and he’ll soon pitch it to top leaders at the Pentagon.
3D printing is a powerful tool for creating all kinds of stuff, but it has its limits. Hobbyist-focused machines that dispense melted plastic through a nozzle can only make parts that are so strong.
Last year, Chennai-based spacetech firm Agnikul made history by successfully launching the world’s first rocket powered by a single-piece 3D-printed engine. What made this feat even more impressive is ...