We couldn't just let it go. So, armed with our own Kramer knife and our Phantom, we attempted to replicate the feat. It took a little practice, a lot of sharpening, and a pretty high knife-tip velocity, but here's the slow-mo video for your edification!
I recommend watching it full-screen.
And here -- just to refresh your memory -- is the master at work.
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.