Our bodies may need a fountain of eternal youth to survive, but society is going to need a fountain of eternal energy to survive.

Computing is using more and more power with warehouses of servers powering the cloud, robots and automation all need fuel, and even if the electricity is generated from renewables eventually we'll be using so much of it the heat lost using it will start heating the planet.

We're not going to be tracking all the developments in energy production and storage, but will highlight any radical advances.