puzzles Can you solve the "Hanging Cable" problem, used as an Amazon interview question? Mark Frauenfelder

math Can you solve the wizard standoff riddle? David Pescovitz

puzzles Can you solve the seven planets riddle? David Pescovitz

Gadgets Flip your flapjacks & omelets in style with this twin-skillet design Boing Boing's Shop

star wars Coca-Cola bottles with built-in light-up lightsabers John Struan

puzzles Can you solve the two-fuse puzzle? Mark Frauenfelder

science fiction Here's your chance to buy the Kindle edition of Dan Simmon's essential science fiction novel Hyperion Mark Frauenfelder

happy mutants Brain-aching list of counterintuitive probability riddles Cory Doctorow

Games The new Portal is a bridge-building puzzle game, and it looks AMAZING Cory Doctorow

happy mutants Puzzles that teach the fundamentals of crypto's essential, elusive zero-knowledge proofs Cory Doctorow

psychology The strange, mutating story of "willpower" and what we think it might be as of right now Cory Doctorow

1990s The glorious inelegance of the 1990s family computer Jess Kimble Leslie

authors Grant Morrison interview: "Laughter can banish any and all demons" Propaganda Anonymous

puzzles Excellent $5 puzzle book: The Moscow Puzzles: 359 Mathematical Recreations Mark Frauenfelder

Puzzle Books The Moscow Puzzles, Russia's most popular puzzle book Jason Weisberger

security A perfect storm of broken business and busted FLOSS backdoors everything, so who needs the NSA? Cory Doctorow

Science Blindsight: weird phenomenon deepens the mystery of consciousness David Pescovitz

Delightful Creatures Japanese show: bear attacks person in a plastic cube Mark Frauenfelder

books What games must learn from children's books Anna Anthropy

offworld Could this beautiful game signal the end of our dystopia fetish? Leigh Alexander