3D printing using nothing but solar power and sand.June 28, 2011 Science & Technology, Sustainability Watch the video. Wow. Wow. Wow. Wow! Enough said. Ed Dowding Founder, strategist, writer, gadfly, TED talker, world-record holder, and (foolishly) reality-TV farmer.DOES: Innovation, Product, Advocacy THINKS: Regenerative Systems, Institution design, 300 year horizonsPost navigationPreviousPrevious post:Great data, beautifully used – Snake oil?Next Next post:Link round upLeave a Reply Cancel replyYou must be logged in to post a comment.This site uses Akismet to reduce spam. Learn how your comment data is processed.