San Diego artist Christopher Schaie created this irising peephole mechanism. It's to go in on a door with a dome on the other side. He milled the pieces with a ShopBot CNC, and has posted the DXF files. OMGWANT.
Archaeologists say they have discovered the oldest wooden structure ever found. A team of scientists have found well-preserved wood in Zambia that dates back at least 476,000 years: older than… READ THE REST