It is nothing unusual to see old familiar brands of HGVs and trucks moving on our motorways, the world’s Dentressangles and Stotbarts. These are consistently and constantly present on the roads. Trucks make their way from A to B, and …

How do batteries work? Let’s start with the basics. Batteries such as AA or C batteries normally come in a case or container surrounding them. Inside this container is a cathode mix made of a combination of ground manganese dioxide …

Including a battery is the easiest way that a source of voltage can be provided to an electronic circuit. There are a number of different ways that voltage can be provided, including solar cells (that convert sunlight into voltage) and …