Bill and Melinda Gates gave their kids a strict ‘middle-class' upbringing, refused to just 'buy them things' with their ...

and so when the motor spins, the stirrer spins in the solution, with no physical contact required. It’s a simple way to build a magnetic stirrer at home without having to shell out big money for ...

The fields can cause forces with other nearby magnets which can be used to make motors spin. Sample exam questions - magnetism and electromagnetism - AQA Understanding how to approach exam ...