At IFA 2025, Eufy has announced a whole fleet of new smart home devices, including the EufyCam S4. The new security camera has its most advanced and powerful solar panel yet, and offers two camera ...

Installing solar panels on your home has obvious benefits; you passively soak up and store power on a sunny day, which lets you draw less from the public grid and save a few bucks on utility bills.

The fact that there exist in our world flat rocks that make lightning when you point them at the sun is one of the most ...