Meet Bertha, the world's largest underground tunnel boring machine that will soon begin digging a controversial roadway underneath downtown Seattle, similar to Boston's Big Dig
"Zhang Yue, founder and chairman of Broad Sustainable Building, is not a particularly humble man. A humble man would not have erected, on his firm’s corporate campus in the Chinese province of Hunan, a classical palace and a 130-foot replica of an Egyptian pyramid. A humble man, for that matter, would not have redirected Broad from its core business—manufacturing industrial air-conditioning units—to invent a new method of building skyscrapers. And a humble man certainly wouldn’t be putting up those skyscrapers at a pace never achieved in history." [Meet the Man Who Built a 30-Story Building in 15 Days]
The first human-powered aircraft to achieve sustained and controlled flight, the Gossamer Condor (6.3 MB PDF), now belongs to the Smithsonian National Air and Space Museum (2.2 MB JPG). So you'll need to build your own. (previously)
"Pretty Big Dig": Small advertisement will play before video. A dance film by Anne Troake that gently illustrates the assimilation of technology. Also, a shorter clip with commentary by Anne Troake.
The forgotten technology - "I am a retired carpenter with 35 years experience in construction ... I have began to build a replica of Stonehenge with eight 10 ton blocks on end and 2 ton blocks on top. One man, no wheels, no rollers, no ropes, no hoist or power equipment, using only sticks and stones." (some slow loading clips on the pages)