Getting into a climate change debate on Twitter could be even more exhausting than it sounds now that a software developer named Nigel Leck has automated the process. Tired of arguing with climate change deniers in 140 character quips, the programmer wrote a script to do it for him. Chatbot @AI_AGW scans Twitter every five minutes searching for hundreds of phrases that fit the usual denier argument paradigm. Then it serves them up some science.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.