The device was designed to help fuse particles. The experiments fell far short of producing enough energy, but the approach may still prove useful in research.
An electric method for fusing particles is nowhere near generating electricity, but it may provide particles for research.
Not in any practical way. In the experiments reviewed, they produced hundreds of times less energy than needed to break even.
The devices may be able to produce neutrons, protons, or X-rays for research.
An experimental device used electricity to hold tiny particles in place. The goal was to make them fuse and see whether the process could produce energy.
The approach differs from better-known methods that use magnets or lasers. But the experiments came nowhere near generating electricity: they produced hundreds of times less energy than would be needed to break even. Rather than power a plant, the device’s nearer-term use may be in a laboratory.
A technical report reviewed the idea and the experiments conducted so far. The method uses electric fields to hold charged particles, known as ions. Researchers then try to make the ions fuse, joining together and releasing energy.
The report did not present a new experiment. It examined the underlying physics and what researchers had learned from previous experiments. Unlike methods that use magnetic fields or laser beams, this one relies on electricity to hold the particles in place.
To break even, a device must produce at least as much energy as it consumes. In the experiments reviewed, the devices produced hundreds of times less than that. This is no small gap to close with a single improvement: the report described practical electricity generation as a distant prospect.
The report also raised more ambitious possibilities, such as using fusion to generate electricity or provide propulsion. But these remain distant ideas, not results demonstrated by the experiments.
The devices may have a more modest use: producing particles for research. The report suggested they could serve as a small source of neutrons, protons, or X-rays. These could support experiments even without generating electricity.
According to the report, this application is closer at hand than generating electricity or providing propulsion. It could also suit small research devices, rather than requiring a power plant.
The report did not resolve the challenges of containing the particles, preventing their loss, avoiding damage to the device, or scaling it up. It gave no precise figure for the gap in each experiment, only the conclusion that they were far from breaking even.
For now, the idea may help researchers before it can light a home. In the lab, the particles are still being held in place, not to power an outlet, but to learn what can be done with them.