China's Institute of Physical Sciences in Hefei says it has set a world record for maintaining a stable state of high-concentration plasma, which is necessary to create a fusion reactor.. The Register reports this.. . The previous record was 403 seconds. . . . It was also not reported what fuel was used to produce the plasma.. However, the experiment is described as an event of “monumental significance” and “a critical step towards the realization of a functional fusion reactor.”. . In particular, a new unknown aircraft was spotted there, which in appearance may belong to sixth generation fighters. . Subscribe to our channels https://t. me/korrespondentnet and WhatsApp Author: 1.