Nuclear startup Deep Fission announced Monday that it has gone public in a reverse merger, netting the company $30 million. No, it’s not 2021. The startup is proposing to build small, cylindrical nuclear power plants and lower them into 30-inch diameter holes drilled one mile down into the Earth. By burying the reactors, the company hopes to solve several problems that plague current reactors, including concerns over meltdowns and potential terrorist attacks. Deep Fission’s 15-megawatt reactors are coo ...