The company raised $425 million in January 2025, around the same time that it turned on Polaris, a prototype reactor. Helion ...

works by superheating plasma (one of the four states of matter, consisting of positive ions and negatively charged free electrons) before trapping it inside a donut-shaped reactor chamber with ...

The process of building the reactor started the following week as the parts began to arrive. Initially, the student started developing the main chamber ... achieved plasma in the fourth week.

This proves General Fusion's Lawson Machine 26 (LM26) prototype reactor, built over the ... This creates a magnetic field to keep the plasma contained in a chamber. You've also got a liquid ...

An acronym of the Russian-language designation of “toroidal chamber ... plasma likely won’t take place until at least 2033. Even so, Barabaschi remains hopeful about the tokamak reactor ...

The reactor celebrated its first plasma on 14 December. Tokamak fusion reactors feature a divertor structure to remove any unwanted atoms from the plasma chamber, including the helium produced by ...

Instead, it uses a levitated dipole reactor (LDR ... Fixed magnet 2. Vacuum chamber 3. Floating magnet 4. Fusion region and 5. Plasma Image credit: OpenStar OpenStar builds its magnets using ...

Iter's plasma chamber, or vacuum vessel ... Iter, which stands for International Thermonuclear Experimental Reactor, is a major international project to build a 500MW tokamak fusion device (requiring ...

One option is to have each reactor generating its own tritium through a system called the breeding blanket. The breeding blanket makes up the first layer of the plasma chamber walls and contains ...

EAST heats up plasma and traps it inside a donut-shaped reactor chamber — called the tokamak — with powerful magnetic fields. For the latest record, researchers made several upgrades to the ...