Perovskite solar cells are a flexible and sustainable alternative to conventional silicon-based solar cells. Researchers were able to find -- within only a few weeks -- new organic molecules that ...

If you don’t have a security camera yet, what are you waiting for? They’re so affordable and easy to set up these days, there’s no reason not to get one — especially when you have options like the ...

Don't drain your phone's battery, use dedicated lights instead. USB rechargeable flashlights can draw power from battery banks, portable power stations, generators, and or even a car. Solar-powered ...