Colorado men busted for 3D printing hundreds of 'machine gun conversion devices' to sell nationwide
Two men are charged with using 3D printers and LEGO boxes to distribute 'machine gun conversion devices' across the U.S., ...
Hypersonic shock waves: 3D simulations expose new flow disturbances
At hypersonic speeds, complexities occur when the gases interact with the surface of the vehicle, such as boundary layers and ...