While the cloud is now ubiquitous in enterprise computing, there is one area where the shift to cloud has only just quietly begun: supercomputing. A catchall term for the world’s largest, most powerful computers, supercomputers were once available only to governments, research universities, and the most well-heeled corporations, and were used for cracking enemy codes, simulating weather, and designing nuclear reactors. But today, the cloud is bringing supercomputing into the mainstream.