Administration officials have been urging Americans to get married and procreate, but some conservatives are frustrated by a ...

Take a slow walk in the park and learn about local flora and fauna with naturalist Debbi Dolan. Debbi has a wealth of ...

Kauê is a Brazilian artist and teacher driven by a sense of wonder for the natural world and the landscape of imagination.

Abstract: This paper presents a comprehensive survey on acquisition, tracking, and pointing (ATP) mechanisms used in free-space optical (FSO) communications systems. ATP mechanisms are a critical ...