Before connecting the solar system, switch off the geyser’s power at the main circuit breaker. Allow the water in the geyser to cool down completely before making any adjustments. Choose a sunny ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

Scientists have developed a new type of ultrathin solar cell that uses a microscopic layer of patterned gold to capture and reuse sunlight more efficiently.