Hacker News on 12 August 2015

• “It’s done, there is no way back. We tried, we failed”
• Discovery of a new irregular pentagon that can cover the plane
• GitHub Desktop is now available
• Ohm (YC S15) is a smarter, lighter car battery that works with your existing car
• Projects and Companies
• IPython 4.0 Released
• An explosion in Tianjin, China [video]
• Comparison of machine learning libraries used for classification
• A Miserable Debt-Free Life
• For only the second time in our history the ownership of The Economist changes