Month: September 2010

Heat gun and thermos coffee roaster

No doubt this guy in this video made some awful, over-roasted charcoal, but the rig shows promise. I really like the use of the thermos as an insulated chamber. With some tuning of the heat control (thermocouple probe and variac for the coils maybe?) you could probably get this slowed down to a more reasonable six-to-eight minute roast before first crack.

Centuries of cranks vindicated by human-powered ornithopter flight

Centuries of cranks vindicated by human-powered ornithopter flight

Although the Snowbird, made of carbon fiber and balsa wood and with a 105-foot wingspan, could hardly be described as “practical,” to me this seems like a major aviation milestone: Somebody, specifically University of Toronto PhD student Todd Reichert and co-workers, finally did it. All those old black and white “wacky inventor” blooper reels set to goofy music can eat it. [via Toronto Star]