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Fusion startup Helion Energy has revised its timeline for delivering commercial fusion power, moving back the deadline for its Orion project that was meant to supply electricity to Microsoft. The company, backed by OpenAI chief Sam Altman, had been among the most aggressive in the industry with its schedule. The delay has drawn criticism from fusion skeptics who say such setbacks show the field's recurring habit of overpromising, while supporters argue fusion remains a long-term engineering challenge.
- 2Physicists Say Helion's Fusion Machine Cannot Work●Helion's Fusion Machine Cannot Work, Physicists Say
A physicist-led critique is drawing large attention with the claim that Helion Energy's fusion design cannot achieve net energy as promised. The argument focuses on the technical feasibility of Helion's pulsed, magnetically inertial approach and the company's bold timeline, which includes a widely discussed deal to supply fusion power to Microsoft. The critique has reignited debate over whether private fusion startups are overpromising on unproven technology.
- 3Eliot Cohen Criticizes Hegseth's Move Against Military Academy Faculty●Eliot Cohen: "Pete Hegseth’s move against civilian faculty at # military academies shows how little he understands what
Eliot Cohen, the Johns Hopkins scholar and former State Department official, says Defense Secretary Pete Hegseth's move against civilian faculty at US military academies shows how little he understands what goes into military preparedness or military leadership. The remark has drawn attention amid ongoing debate over the Pentagon's approach to civilian control and education at service academies.
- 4Comet 161P/Hartley-IRAS Nearing Perihelion●2026-10-02 04:00:00 UTC (Delta: 2026-10-01) ☄️161P/HARTLEY-IRAS - Barycentric speed: 32.91 km/s (+0.09 km/s) - Perihelio
Periodic comet 161P/Hartley-IRAS is being tracked as it approaches the inner solar system. Latest figures put its barycentric speed at 32.91 km/s, with perihelion due in about 56 days, in late November 2026. The comet currently sits at magnitude 14.33, observable from both hemispheres with a small telescope under dark skies, in the constellation Aquarius. Amateur astronomers are sharing observations and brightness updates as the comet slowly brightens on its way to perihelion.