Author: Scott Dutfield

Competition closes 26/02/26 00:00GMT

Competition closes 26/02/26 00:00GMT

Competition closes 28/01/26 00:00GMT

Competition closes 11/09/2025 00:00 BST

Competition closes 14/08/2025 00:00 BST

  For more science and technology articles, pick up the latest copy of How It Works from all good retailers or from our website now. If you have a tablet or smartphone, you can also download the digital version onto...