We’re so used to the modern miracle of vacuum cleaners that they can often seem prosaic, even downright boring. But when you look closely, there’s actually some pretty amazing tech involved in sucking all the grim stuff out of our carpets, especially as we don’t want grandma’s prized Persian rug inhaled at the same time.
So what actually happens inside a vacuum cleaner? Are they all the same? How do you know which ones will make light work of your heavy Berber rug, and which ones will suck in all the wrong ways?
