If some newspapers are to believed, we could be facing power cuts when energy staff go off sick. Most of us have an increasing dependence on our laptops and smartphones to keep in touch with friends, families and news. Typically, phones will need a recharge after a day and a laptop possibly after 3 -7 hours. however, not all is lost with enterprising modellers as many phones and laptops can be powered from a USB lead.
Our cars will have a 12v accessory socket – I still call it the cigar lighter socket