Over the last couple of days, serial entrepreneur Elon Musk has been tweeting about how to potentially help the 12 young soccer players and their coach who began exploring a cave in Thailand on June 23rd, quickly becoming trapped there by rising floodwaters. Now, suggests Musk, working with cave experts in Thailand, he and engineers…

via Elon Musk says SpaceX is working on a kid-size submarine to extract those boys in Thailand — TechCrunch