I suspect one could do useful experiments by taking existing machines and directing their output upward. (sciencebits.com)
Brain Corp., which started as a research and development contractor for Qualcomm in 2009, installs intelligent systems on existing machines. (inc.com)
Alongside them are dozens of smaller competitors, building a menagerie of strange devices that they hope will leapfrog ahead of existing machines in the race to provide inexpensive power from the sea. (newscientist.com)