看到GigaOM 的這篇 Google Maps Goes Streetside
原來Google已經在 San Francisco Bay Area 和 New York 市區作了街頭景觀的VR，類似Microsoft的 Windows Live Local Technology Preview
The original 3D printing company remains on the cutting fringe of the sector. 3D Systems Corporation makes a broad spectrum of 3D printers, which work through stereolithography, a liquid-to-solid course of, and a powder to stable course of known as selective laser sintering. Printers make newborn mittens every thing from steel artifacts to plastic filaments to customized dental implants. 3D Systems also presents a constellation of associated merchandise, like 3D scanners and design software. As 3D printers turned more accessible to customers, on-line social platforms have developed to assist the neighborhood. RepRap is a wiki primarily based web site that was created to hold all data on 3d printing, and has developed into a neighborhood that aims to convey 3D printing to everybody.