DETROIT (WKRC) - Multiple Spirit Airlines aircraft were pulled from service after an overflow of fire-suppressing foam at one ...

Strata International Group, headquartered in Phoenix, has made a name by building homes out of foam and concrete.

The displacement measurement technique based on FMCW radar has shown great application potential. However, the measurement range of the existing method is limited by the range resolution of radar.

Continuous variable quantum key distribution (CV-QKD) protocol has drawn much attention due to its compatibility with existing optical communication systems. In this paper, we propose a quaternary ...