Timbuktuchronicles writes “This is essentially a water heater attached to a pump, the only other thing you need is a barrel to wash your fuel, attach some hoses and valves from Home Depot and that’s all you need to make fuel from vegetable oil that will run on any unmodified diesel engine.” Link.
This is a great Google map project – when you’re out and about in New York City and spot something cool destined for the dump, take a photo with your phone, send a description and an address! The photo and location will show up on Garbagescout.com, there’s also a RSS feed! Dumpster diving just went Web 2.0 – [via] Link.
John writes “Here’s how to make a device that is useful for visualizing the movement of small particles and for demonstrating slip planes, dislocations, defect holes, and the three states of matter. If you would rather not create your own, you can buy one for $50, but this DIY version costs about $8”. Link.
Devin writes “These pages are a nice guide to making high voltage items (toys?) out of trash! These two pages show how to make a Tesla Coil out of trash, and how to hook up TV flyback ransformers for all sorts of fun HV stuff (arcs, jacob’s ladders, capacitor-bank charging, coin-shrinking, etc.)” Link & Link.
Frank writes “Here are some projects, plans, rural skills, renewable energy, home CNC machine building, home/hobby metal casting, dry humor, tons of pictures…Since 1999 theworkshop.ca has evolved from a general interest hobby site to become an international Small Foundry resource…2005 marks the entry into the “Art-Casting” and “Industrial Proto-Typing” markets…Industrial Proto-Typing is a service that caters to the manufacturing sector through to inventors that want a single part or series of parts cast for a “Proof-of-Concept” application.” Link.
Dhruv writes “This page has great animations that break down the complicated process behind creating a single transistor (the basic building block of almost all computer chips).” 
This little robot car from Nakamura-san at Himeji Soft Works in Japan drives around then it transforms into a real robot and walks around. I want to build one of these or buy one immediately. [