Yes you read it right, Heather Dewey-Hagborg makes 3D portraits from the DNA collected from objects like cigarette butts or chewing gums she picks from sidewalks, tossed away by strangers.
When people hear a word combination of Quantum Physics they really do not know how to get their head around it, this video might shed a light and help you understand the basic principles.
Google Spreadsheets supports cell formulas typically found in most desktop spreadsheet packages. In this lesson we will calculate the numbers of empty cells in a Spreadsheet.