With a clever design, researchers have solved eddy-current damping in macroscopic levitating systems, paving the way for a ...

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. Video doorbells are much more ...

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. There's nothing worse than ...