C&EN

Multifunctional Water Drop Energy Harvesting and Human Motion Sensor Based on Flexible Dual-Mode Nanogenerator Incorporated with Polymer Nanotubes

College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P. R. China Department of Applied Physics, The Hong Kong Polytechnic University, Kowloon 999077, Hong Kong, P.
IEEE

Arduino based System for Domestic Waste Water Management using pH Sensor

Abstract: Water is a novel resource that is abundant in nature. Over 70% of the Earth’s crust submerged in water bodies. Out of the total water available in Earth’s crust, 97% of the water which is ...
IEEE

Water Level Monitoring and Flood Warning System using Light Detection and Ranging (LiDAR) Sensor with Hybrid Renewable Solar-Wind Power

Abstract: This paper describes the design and implementation of a water level monitoring and flood warning system using light detection and ranging (LiDAR) as a water level sensor. The integration of ...
Cleveland.com

Lake Erie’s dramatic retreat: Water levels drop after period of record highs

CLEVELAND, Ohio — People walking, running or launching boats along Lake Erie’s shorelines may have noticed more exposed beach and rock than in recent years — a subtle sign the lake has dipped below ...
jech.bmj

A brief conceptual tutorial of multilevel analysis in social epidemiology: using measures of clustering in multilevel logistic regression to investigate contextual phenomena

Study objective: In social epidemiology, it is easy to compute and interpret measures of variation in multilevel linear regression, but technical difficulties exist in the case of logistic regression.