The moment you finish setting up your first 3D printer, it may feel as though the entire world is at your fingertips. After all, you can craft all sorts of things, from handy tools to beautiful ...
WASHINGTON — National Transportation Safety Board members were deeply troubled Tuesday over years of ignored warnings about helicopter traffic dangers and other problems, long before an American ...
The National Transportation Safety Board found the probable causes of the midair collision last year included poorly designed flight routes and ignored warnings about risks. By Karoun Demirjian and ...
WASHINGTON — After a yearlong investigation, the National Transportation Safety Board blamed multiple systemwide failures for the midair collision of an Army Black Hawk helicopter and American ...
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