Solar panels are eco-friendly and cost-effective. Once installed, you’ll never worry about maintenance as it only requires a little. Plus, you also minimize your carbon footprint as it doesn’t pollute the environment. And since it’s sustainable and renewable, we’ll never run out of it as long as there is sun. So imagine the majority of us switch into solar? Here is an infographic that illustrates the Photovoltaic History, honoring the famous scientists and the breakthroughs they did.