IN radio reception, a knowledge of the angle of incidence at the ground of short waves returned from the ionosphere is important. The accurate design of antenna arrays for radio communication by the ...

It is late September, and the autumnal equinox has arrived. That gets me to thinking even more than usual about sun angle. Noticing differences in sun angle during different times of year and ...

This study investigated perceptual biases in spatial judgments as a function of the computer graphics eyepoint elevation, monoscopic or stereoscopic display, and target cube location. The display for ...