Hacker News on 4 March 2017

• A deep dive into why Wi-Fi kind of sucks
• A plane so good it's still in production after 60 years
• What happens when you swipe a credit card
• If the Moon Were Only 1 Pixel – A tediously accurate map of the solar system
• A blockchain in 200 lines of code
• Nintendo Switch Teardown
• PayPal Redirects Charitable Contributions Without Consent, Lawsuit Says
• A Programmer’s Introduction to Unicode
• White House proposes steep budget cut to NOAA
• Partial WebAssembly backend for the GNU toolchain