Evidence detail
Testing reported
Polaris prototype: measurable deuterium-tritium fusion and 150 million °C plasma temperature, as claimed by Helion; a plasma result, not electricity
Test results stay attributed to whoever reported them.
“its Polaris prototype has set new fusion industry benchmarks, becoming the first privately developed fusion energy machine to demonstrate measurable deuterium-tritium (D-T) fusion and achieve plasma temperatures of 150 million degrees Celsius (MºC).”
- Attribution
- Company reported
- Publisher
- Helion Energy
- Dated
- 13 February 2026
- First public disclosure
- 13 February 2026
- State before
- Not established in reviewed sources
- Source read
- 11 November 2026
Inspect primary source: Helion Energy ↗
What this does and does not establish
An exact passage match shows the source says this. It does not prove the underlying claim is true.