The Flux Capacitor!

Oh. Well, how about the Stellarator?

German start-up wins initial funding for revolutionary fusion energy machine – Proxima Fusion aims to build complex device to generate emissions-free power by fusing atoms.

A German start-up has secured initial funding to develop a revolutionary fusion energy machine that it hopes can provide a future source of abundant, emissions-free power.

Proxima Fusion, incorporated in January, aims to build a complex device known as a stellarator and is the latest company to join the emerging fusion industry’s effort to generate electricity by fusing atoms.