In the world of appliances you absolutely must have, a powerful dustbuster is up there. These little machines can suck up dirt and cereal remnants at the touch of a button — no need to break out the ...

In the world of appliances you absolutely must have, a powerful handheld vacuum is up there. These little machines can suck up dirt and cereal remnants at the touch of a button — no need to break out ...

Electric-car demand is causing an almost insatiable hunger for lithium batteries, but lithium (aka white gold) takes a lot of land and time to extract. The most common method today involves pumping it ...