A Japanese robot gets to go to the moon, American humans ride a beef-powered train to Texas, and the Dutch show it all on augmented TV.
Welcome to the future.
Here are some of our favorite stories this week:
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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.