Once a week, Georgi Petrov drives to a wheat field outside the northern Bulgarian village of Hadzhidimitrovo, removes four heavy stones from the make-shift steel lid of a borehole and peers inside.

In villages without running water or rain-harvesting tanks, the journey can take hours, navigating steep paths and carrying heavy jerry cans back uphill. As communities age, the burden is increasingly ...

This Arduino library provides a convenient and easy-to-use interface for the PH4502C sensor, allowing you to effortlessly integrate it into your Arduino projects. The PH4502C sensor is a ...

Moisture Sensor 1: A0 Moisture Sensor 2: A1 Moisture Sensor 3: A2 (if applicable) Moisture Sensor 4: A3 (if applicable) Connect the VCC and GND pins of each moisture sensor to the corresponding power ...

Abstract: An optical fiber-based sensor in the configuration of single-multi-single (SMS) modes structure is proposed to detect polyethylene microplastic particles inside aquatic environments via the ...

Abstract: Societal demands in the field of air and water pollution monitoring require the ability to simultaneously detect a wide variety of chemical elements at very low concentrations in complex ...

This prestigious recognition acknowledges NTPC Kanti’s remarkable initiatives in water conservation and sustainable water management. The station has undertaken several impactful measures, including ...

La Jolla Cove Swim returning to the water Sept. 7 By Ashley Mackin Solomon August 27, 2025 at 8:00 a.m.