The photosensor is a simple cadmium sulfide cell, which measures the intensity of light bouncing back from an object as an Arduino drives the LED through all possible colors with PWM signals.

Residents say officials should have communicated in “real-time” and released details about air monitoring and chemicals at the plant sooner.

Holi is all about colors and celebrations, but did you know that synthetic Holi colours can disrupt your hormones? Experts warn that toxic chemicals in these colors may lead to thyroid issues, ...

State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin 300387, China School of Pharmaceutical Sciences, Tiangong University, Tianjin 300387, China School of ...

Shell coating of quantum dots (QDs) is a widely implemented strategy to enhance the optical properties and stability. Typically, binary QDs, such as CdSe and CdS, are able to be precisely coated by ...

Sunlight-driven water splitting allows renewable hydrogen to be produced from abundant and environmentally benign water. Large-scale societal implementation of this green fuel production technology ...

(CNS): Government officials said Tuesday evening that the fire at the Cayman Brac landfill that afternoon had been brought under control without causing injury to anyone or damage to property. When ...

The rapid diversification of synthetic biology tools holds promise in making some classically hard-to-solve environmental problems tractable. Here we review longstanding problems in the Earth and ...