IDAHO FALLS, Idaho–(BUSINESS WIRE)–Deep Fission, Inc. (Nasdaq: FISN) (“Deep Fission” or the “Company”), an advanced nuclear energy company developing small modular pressurized water reactors installed one mile underground, will participate in the Golden Era of Nuclear Power event at Idaho National Laboratory’s (INL) Materials and Fuels Complex in Idaho Falls, Idaho on Thursday, June 25. This event comes just ahead of the 250th anniversary of the United States, underscoring the country’s progr