What if you could harness the power of the sun to generate your own energy—right in your backyard? Imagine a system so efficient it could heat water, power small appliances, or even serve as a backup ...

A young man built compact solar generators with lithium batteries and sold them to neighbours seeking reliable power. His DIY project sparked interest online.

A solar expert has shown people the different materials he was going to use to build a solar generator. He said he would be ...