Wireless charging mats
Using such a mat, you can charge up many of your gadgets at the same time, without the need for miles of tangled wires and lots of different power plugs.
All you do is place your gadgets on the mat surface. Your gadgets get charged through a process called “magnetic induction”. This is similar to how your electrical toothbrush might get charged – it uses an electromagnetic field to transfer energy between two objects.
In future, rather than having to use a special mat, you may find the technology is already built into your gadgets as well as your desk, kitchen worktop and furniture!
These were designed to help keep music festival goers connected with their friends.
They used a unique ‘power generating sole’ that converted heat from your feet into an electrical current. This electricity is then used to re-charge your mobile phone.
However, you need a good 12 hours of stomping to create enough power to charge your phone for one hour.