I Use Smell to Recall the Future

A laboratory in the United States claimed to have discovered a new particle micron, which attracted world attention. All powerful countries have begun research on new particles. But not long after, an explosion occurred in the laboratory where the micron was first discovered, but the investigation of the explosion was still inconclusive. Interested people have noticed that the last article of the laboratory is titled "Conjecture that new particles may belong to four-dimensional space."