Hacker News on 28 April 2016

• Steam now accepts Bitcoin for purchases
• Who Was Ramanujan?
• Rube Goldberg machine in HTML forms
• Atari co-founder: mobile games make me want to throw my phone
• SpaceX undercut ULA rocket launch pricing by 40 percent: U.S. Air Force
• Show HN: Jam API, turn any site into a JSON api using CSS selectors
• On the (Small) Number of Atoms in the Universe
• ACM 2015 Technical Award Recipients
• Teen birth rate hits all-time low, led by 50% decline among Hispanics and blacks
• The Suicide of Venezuela