Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum foil, and saltwater. This step-by-step DIY battery project demonstrates ...

With a 2024 CNET survey finding that 78% of US adults are concerned about rising home energy costs, it's no surprise that homeowners are looking to save money. One way to do that is to get your home ...

Engineers at MIT have developed a new battery design using common materials – aluminum, sulfur and salt. Not only is the battery low-cost, but it’s resistant to fire and failures, and can be charged ...