Researchers at Stanford University in Palo Alto, California, invented a solar water cooler which helps to make your home cooler and also helps to reduce electricity bill. Most of us are familiar with solar water heater and we are using it for decades now, But these solar water cooler using a different material to build an efficient cooling system.
The solar panel used in this cooling system is placed atop a roof, and they made of three components.
1) Silver coating Top layer
The plastic layer is CLICK HERE TO READ MORE