Solar Panel-In-a-Tube Generates Power and Hot Water At the Same Time Solar photovoltaic cells and solar thermal collectors both capture the sun's rays. The first one turns the light into electricity, while the other turns it into hot water for heating.
Easy DIY bird feeder from items in your own kitchen! Use an old mason jar or reuse a jar from the refrigerator, tie a ribbon around the center and stick a wooden spoon into it. Turn sideways and hang from a tree for an instant bird feeder.