Hacker News on 20 April 2013

• Linux on an 8-bit micro
• Why Should I Care That No One’s Reading Dzhokhar Tsarnaev His Miranda Rights?
• Verlet-js - Open source dynamic body physics engine
• CipherCloud used DMCA Takedown on StackExchange discussion of their cryptography
• Breaking News is broken
• Mystery Aircraft Parts and Atomic Clocks
• Richard Stallman response to Boston Police efforts
• Razer will not cancel 90%-off test coupons
• Security theater martial law and a tale that trumps every cop-n-donut joke ever
• Damn Excel – How the 'most important application' is ruining the world