For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

Two thirds of householders are bamboozled by their smart electricity meter and don’t know how to use them properly, despite the rollout of more than two million of the devices at Irish homes, a new ...

If you know what you're doing, a garbage disposal should last 10 to 15 years once installed. So here's a step-by-step guide ...