336K views · 29 reactions | Researchers at MIT have come up with a way to clean solar panels without using any water. It's estimated that washing solar panels requires about 10 billion gallons per year. But leaving panels dusty or dirty means their efficacy is significantly reduced. The MIT-proposed method uses electrostatic repulsion, where an electrode that glides above panel electrically charges dust particles and subsequently repels them. | Mashable | Facebook

2M views · 19K reactions | Homemade water pump without Electricity using PVC pipe! | Dian Creative | Facebook

18K views · 408 reactions | India has pledged to reduce carbon emissions 33%-35% by 2030. Renewable energy is the future... This is why we need to say yes to #solar energy! | Indiatimes | Facebook