Our own senior editor Paul Adams is at the White House today at 4 p.m., conducting a live-streamed Q&A with Heather Zichal, Deputy Assistant to the President for Energy and Climate Policy. He's asking your questions to the people that matter. Check out the livestream above.
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.