Johnny Zhu from the Modernist Cuisine kitchen shares a seasonal recipe. The layers are: pressure-cooked pork carnitas; pressure-cooked refried beans; cheese emulsified with sodium citrate; and startlingly traditional top strata of salsa, avocado, sour cream, and scallions. See the recipe here.
The question remains, though: why seven layers? What is the numerological significance?
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.


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This picture makes me a little nauseous.... blah!
You'll be spending a lot of time in the bathroom.