Many decades ago, IBM engineers developed the typeball. This semi-spherical hunk of metal would become the heart of the ...

Humanity pretty much has Pi figured out at this point. We’ve calculated it many times over and are confident about what it is down to many, many decimal places. However, if you fancy ...

With great suction, a tangle-free cord and an approachable price, one pool robot rises to the top of the heap.

Keeping your pool clean and safe for swimming can be time-consuming. We've tested the best robot pool cleaners so you can simply kick back and enjoy the water.