Dyson has announced what it’s claiming is the “world’s slimmest vacuum cleaner.” At first glance, its new PencilVac looks like a broom rather than a vacuum because the battery, motor, and electronics are all integrated into a thin handle that’s just 38mm in diameter — the same thickness as Dyson’s Supersonic r hair dryer. It weighs in at just under four pounds and is powered by the company’s smallest and fastest vacuum motor yet.
The PencilVac is designed to be a replacement…