{
  "id": 5130893,
  "title": "Sorry, this neutrino laser won't work, physicists say",
  "url": "https://urgent.news/2026/09/02/sorry-this-neutrino-laser-wont-work-physicists-say",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-02T17:20:04.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-09-neutrino-laser-wont-physicists.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "MIT physicists have debunked the concept of a neutrino laser, stating that it is physically and fundamentally impossible. The proposal, which suggested that a concentrated beam of neutrinos could be produced by cooling a cloud of radioactive atoms to nanokelvin temperatures, was based on the idea of superradiance, a quantum amplifying effect observed for photons. However, the researchers found that the neutrino laser concept is flawed due to recoil (kinetic energy created by the reaction) and the fundamental fermionic nature of neutrinos. The MIT team's two-part analysis, published in Physical Review Letters, effectively killed the proposal, leaving no room for further speculation or context from their own knowledge.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}