Why Is This Chocolate Shimmering Like a Rainbow?
Earlier this month, Samy Kamkar shared his latest creation on Twitter: chocolate that shimmers like a rainbow. Mr. Kamkar is not a chocolatier. He’s a founder of the internet security company Openpath, and gained early internet notoriety in 2005 for releasing a virus on the Myspace social network. He also has a 3-D printer and…