After testing 24 robot vacuums at CNET Labs to see how well they clean and avoid obstacles, we discovered an unusual relationship.

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. Home security doesn't have to ...

Your bank or credit union, not an airport kiosk, is likely the best place to exchange currency. Many, or all, of the products featured on this page are from our advertising partners who compensate us ...

Carbon fiber is a material with some very unique and valuable properties. In fact, it offers the best stiffness –to-weight ratio of any material you are likely to find, either made from metals or ...