Ideally, you don’t use your portable generator often. But you don’t want this key piece of emergency equipment to let you down when you need it. How can you make sure your generator is always ready to ...

The Tesla turbine is a bladeless centripetal-flow turbine invented by Nikola Tesla in 1913, using the boundary-layer effect rather than having a stream of gases or a fluid impinge on blades.

Dealing with the expense and bother of setting up a home generator can seem like overkill until the power is out and you're unable to charge your phone, the food in your fridge is spoiling, your ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Think about what you plan on using your generator for, as well as where you’ll be ...