Hacker News on 22 May 2013

• Induction powered LED lit engagement ring
• Tesla Repays Department of Energy Loan Nine Years Early
• Steve Jobs emails that show how to win a negotiation
• The Elves Leave Middle Earth – Sodas Are No Longer Free (2009)
• Always Be Coding – How to Land an Engineering Job
• Dennis Ritchie's first C compiler on Github
• GeoGuessr: Guess the location from Google street view
• Show HN: WideArea – an expandable textarea
• My open source API client was taken down by a phony DMCA complaint
• Teenager facing terrorism charges for something he posted on Facebook