This is OLPC Tuva. Tuva was Richard Feynman‘s obsession. And yes, this project and Feynman’s quest are somewhat related. Ralph Leighton is once again the key.  I finally got around to putting my thoughts into an experiment. Here is a recording of the experiment using Kongar-ol Ondar’s throat singing at Caltech’s TEDx event, a OLPC XO laptop and the Measure activity.