Abstract: This article presents an optical sensing technique for estimating water-fill levels and stratification states inside closed plastic pipelines using multiwavelength visible light. Four LEDs ...

Remember Sidewalk, Amazon’s low-power “neighborhood” network that incorporates Echo speakers; Ring sensors, cameras, and video doorbells; and some third-party devices–such as Level smart locks and ...

Lake Shasta waters went up 35 feet since wet atmospheric storms rolled over Shasta County this winter. The lake’s water level climbed to 1,029 feet as of Sunday, Jan. 4, according to the California ...

Abstract: Severe weather, such as rainstorms, significantly increases the wetness of expressway pavement, which seriously affects road traffic safety. Therefore, achieving low cost, high performance, ...