Month: July 2010

How-To: Bike Tubes for Trees

Avid gardener Lenore Edman at Evil Mad Scientist Laboratories writes: Even after one too many flats, a used bike inner tube has plenty of uses. One more to add to the list: it can be used as a cushion between a tree trunk and a staking wire. More: How-To: Bike Tube Headband (CRAFT Video)

How-To: Restore the color of old Lego bricks

How-To: Restore the color of old Lego bricks

Turns out the yellowing of old ABS plastic is due to degradation of bromine-containing fire retardants which are added to the plastic during manufacture, which release elemental bromine, causing the yellow color. Shining UV light on the gel accelerates the decomposition of the fragile oxygen-oxygen bond in the peroxides it contains, generating reactive hydroxyl radicals which scavenge the free or loosely-bound bromine in the plastic that causes discoloration.

How-To: Make a metal cracker

How-To: Make a metal cracker

New York artist Herbert Hoover, aka Makers Market seller Snacks & Bones, presents a tutorial on how to cast your favorite Saltineâ„¢-type cracker in shiny pewter. Hoover’s iconic, numbered crackers are sold in Art-o-Mat vending machines around the country, and the Cracker Tracker collects photos of crackers and their proud owners from around the world. If you don’t have the tools or the time to make your own, and you can’t find a nearby Art-o-Mat, Hoover will gladly sell you one online for $15.

8-bit city maps

The 8-Bit Cities project, which started with 8-Bit NYC, is an attempt to make the city feel foreign yet familiar, smashing together two culturally common models of space: the lo-fi overhead world maps of 1980s role-playing and adventure games, and the geographically accurate data that drives today’s web maps and GPS navigation. I hope to […]