apple You can backspace on the iPhone calculator David Pescovitz

racism Ohio's Dissident Homeschool Network instructs 2,500 members on how to raise "wonderful Nazis" David Pescovitz

abortion That time Benjamin Franklin published a book on DIY abortions Thom Dunn

Boing Boing Gadgets Learn to master the fundamentals of mathematics for only $30 Boing Boing's Shop

patent trolls SparkFun's CEO vs. patent troll Mark Frauenfelder

retro gaming In 1974 I played the Lunar Lander game on a pocket calculator for hours on end Mark Frauenfelder

math How a convience-store-owner hacked the lottery odds and won $27 million Clive Thompson

futility closet George Parker Bidder could do stupendously difficult arithmetic in his head Futility Closet

makers How to make your own DEC H-500 Computer Lab Reproduction Mark Frauenfelder

computer logic Good demonstration of a computer that runs on marbles Mark Frauenfelder

Boing Boing Gadgets This training includes more than 100 life skills for assuring career success Boing Boing's Shop

makers Here's how to make a "computer on a card" from the 1960s Mark Frauenfelder

makers 3D printed replica of the Digi-Comp II marble computer Mark Frauenfelder

getting things done Leonardo Da Vinci to-do list reveals his insatiable curiosity about the world Mark Frauenfelder

halloween The 2017 Halloween Candy Hierarchy: Definitely Not Fake News David Ng and Ben Cohen

Science Vote for the best Halloween candies, for science David Ng and Ben Cohen

class war How Minnesota's governor performed an economic miracle by raising tax on the rich and increasing minimum wage Cory Doctorow

medicine Thought-controlled nanorobots in your body David Pescovitz

books Read: Strategic Dog Patterning, a story from "Why I Hunt Flying Saucers" Hugh AD Spencer

happy mutants Kickstarting a season of monthly Relatively Primes, a great math podcast Cory Doctorow