The iconic Sydney Opera House was inaugurated exactly 50 years ago, on October 20, 1973, by Queen Elizabeth II, and here are presented 7 visualized proposals that were rejected during the internation...
Read MoreNasa has awarded a $100,000 price to three winning teams that developed 3D-printed structures suitable for housing people on the moon and on planet Mars. The attempt initiated in 2015 as Nasa invit...
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