In this communication, an orbital angular momentum (OAM) mode-reconfigurable antenna based on a uniform circular array (UCA) is presented. To realize multiple switchable operating states while ...

While gluons are responsible for generating most of the visible mass in the universe, their role inside nuclei remains poorly understood. These massless particles mediate the strong nuclear force, ...

Objective: The biomechanics of the head for punches to the jaw and the risk of head injury from translational and rotational acceleration were studied. Methods: Seven Olympic boxers from five weight ...

The electron transport characteristics of five n-i-n diodes with (Al/sub x/Ga/sub 1-x/)/sub 0.5/In/sub 0.5/P intrinsic barrier regions of various aluminum composition x were determined from the ...