Orbital angular momentum (OAM) beams with different topological charges are mutually orthogonal to each other, which shows great potential in enhancing capacities of wireless communication systems. In ...

The stability of the electric power steering system is analyzed on the basis of the mathematics model for pinion -and- rack steering system, the interference resistance is also studied by the way of ...

Ride-sharing services like Uber have disrupted the taxi and limo industry. Uber has become a prime example of the gig economy at work. Uber's advantages include door-to-door convenience, safety ...