Solar cells can generate electricity even when it is cloudy or rainy
These solar panels can work very well even in unfavorable weather conditions like cloudy or rainy weather.Record the world's smallest color photo
The new world record of the smallest printed color image is about the size of a human hair's cross-section.The TV can be rolled into a pocket
British scientists have created a thin, paper-like television screen that can be rolled up and stored in a pocket easily.