apple You can backspace on the iPhone calculator David Pescovitz

Technology Incredibly fast calculator fingers in Japan David Pescovitz

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

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

High Society: take on the role of nouveau-riche twits attempting to out-ostentate each other Jon Seagull

Homer's Last Theorem Simon Singh

books The Simpsons and Their Mathematical Secrets Simon Singh