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Top 10: Marvelous Metals

rolls-royce-hp-turbine-blade

As promised, here's a tasting menu featuring some of my favorite metallurgical content from our archives arranged, as usual, in mysteriously-appealing (and entirely arbitrary) top-ten format. Narrowing it down to just ten involved some hard choices; this subject is rich, and we've covered it a lot. A second round-up, perhaps... Read more »

August is Metals Month

Continuous casting copper disc (99.95% pure), macro etched, ∅ ≈83 mm, by Heinrich Pniok.

Well, what's left of August is Metals Month, I should say. A broad subject, to be sure, and with only a couple of weeks to explore it, I want to be fairly ruthless about focusing on interesting and unusual metals themselves, and processes for working with them, rather than more... Read more »

How-To: Satellite Imagery Throws Pillows

Google Maps Throw Pillows

In case you haven't heard the name before, Spoonflower is a print-on-demand custom fabric service that can indelibly print your images on a roll of fabric up to 58" wide. Andrew@CRAFT just spotted this promotional project from their guest author, Emma Jeffrey, showing off one of the many cool possibilities... Read more »

Notes on a Garage Geopolymer Prep

Geopolymer samples

"Geopolymers" have been called "super cements." They are commonly made in academic labs, but so far I haven't found a good DIY prep for hands-on learners. I've run down a couple of sources and compiled a (still untested) procedure for making small geopolymer stone objects in the garage. Comments welcome. Read more »