Urban environments with a high degree of industrialization are infested hazardous chemicals and airborne pollutants. These pollutants can have devastating effects on human health, causing both acute chronic diseases such as respiratory infections, lung cancer, heart disease. Air pollution monitoring is vital not only to citizens, warning them the health risks air pollutants, but also policy-mak...

A new charging method is deployed to improve the accuracy of portable size spectrometers with reduced and maintenance, thus, more suitable for building dense monitoring networks.

A need for constant health monitoring system is essential especially heart diseases which may cause sudden stroke and death. We present in this paper the design development of a low cost, efficient user-friendly ECG device. Most rate measurement devices tools available are quite expensive not be easily some areas. Presented device monitors patient’s body information using three lead silver chlo...