Vi Hart: Diferi inter la revizi

'''Viktoria Hart''', plu bone konocita kam '''Vi Hart''' (n. [[1988]]) esas su-proklamita "Rekreativa Matemuzikifisto." El kreas videi* pri [[matematiko]] che [[YouTube]].<ref name="Chang">Chang, Kenneth (January 17, 2011), [http://www.nytimes.com/2011/01/18/science/18prof.html?_r=0 "Bending and Stretching Classroom Lessons to Make Math Inspire"], New York Times.</ref><ref name="Bell">Bell, Melissa (December 17, 2010), [http://voices.washingtonpost.com/blog-post/2010/12/making_math_magic_vi_hart_dood.html "Making math magic: Vi Hart doodles her lessons"], Washington Post.</ref><ref name="Krulwich">Krulwich, Robert (December 16, 2010), [http://www.npr.org/blogs/krulwich/2010/12/16/132050207/this-is-for-the-i-hate-math-crowd-not-after-this-you-won-t I Hate Math! (Not After This, You Won't)], National Public Radio.</ref> Employesas pro la [[Kahn Akademio]].