Texas A&M and Rice: diamond composite turns partly to graphite under Mach 8.45 impact
Aluminum projectiles hit a diamond composite at up to Mach 8.45; parts of it turned to graphite within microseconds, dispersing impact energy, the authors report.
Aviation
Aircraft, helicopters, air taxis and eVTOL, airships and supersonic flight: new machines, their engines and tests.
Updated
Winged cargo drone passes flight tests with a 100-kilogram payload
The aircraft takes off vertically and cruises like an aeroplane. The developers are preparing it for certification to deliver cargo to hard-to-reach villages.
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