Another top performer in our vacuum testing, the Shark Stratos is powerful yet versatile. It has a dual brushroll design that performs exceptionally across both carpeting and hard floors ...

Shopping for the best cordless vacuum cleaners means finding that sweet spot between power, portability and convenience. Whether you're cleaning up after pets, tackling hardwood floors or reaching ...

The bubble emission or leak test also takes a visual approach to detect leaks in product packaging. Using this method, the product package is submerged in water, before a vacuum or pressure is ...

The results indicate that wall resistance over sharkskin surface replicated by the vacuum casting method can be decreased by about 12.5% compared with the smooth skin. In addition, the drag reduction ...