Matthew Napoli, left, and Michael Snyder test a 3-D printer that will be used in space Sept. 16 at Made in Space in Mountain View, Calif.
Please keep it civil. Don't post comments that are obscene, defamatory, threatening, off-topic, an infringement of copyright or an invasion of privacy. Read our forum standards and community guidelines.
You must be logged in to post comments. Please log in here or click the comment box below for options.