Small modular nuclear reactor achieves criticality in test

A small modular nuclear reactor developed by startup Antares has successfully reached criticality during its first test. This milestone signifies that the reactor has achieved a self-sustaining nuclear chain reaction, a crucial step in its development. While the reactor is not yet capable of generating power, this successful test demonstrates the viability of Antares' technology. The achievement is a positive development for the advancement of small modular nuclear reactors, which are seen as a potential solution for clean and efficient energy production.