Clean or replace the filter. If your vacuum doesn't sound as powerful as usual, the filter could be the culprit. A clogged ...

The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...

We tested many popular cordless and robot vacuum cleaners to find out which ones are the best. Here's what we recommend.

It's hard to compare robot vacuum cleaners in an apples-to-apples way, or to even know what criteria actually matters. As someone who has tested several models over the past 18 months, here's what I ...

The Dreame R20 packs a slew of useful features, not to mention incredible cleaning power, for a wallet-friendly price.

If convenience is what you value in your vacuuming, you should consider a handheld vacuum. While they don ... we put them through lab tests that evaluate their proficiency at cleaning up small ...

Cleaning your stairs might seem like an afterthought, but debris builds up there pretty quickly. Chances are, it’s one of those places you’re not vacuuming enough, but should be. Unfortunately, ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

My own personal three-bedroom apartment — not a lab — makes up the testing grounds for every robot vacuum, where a combination of hardwood floors, tile floors, and rugs of various piles are ...

Our overall winner is the Shark PowerDetect 2-in-1 Robot Vacuum and Mop. It came tops for its self-emptying for 30 days without any intervention, while putting up impressive cleaning scores across ...