Roman Concrete, Solar Robots, RR Donnelley’s Accelerator: June 18

Illustration by André da Loba

Leo Mirani tells the tale of a man whose Kickstarter campaign was so successful he wound up losing his house. [Quartz]

The concrete made by ancient Romans holds up better than anything produced today, writes Bernhard Warner. Researchers think they know why. [Bloomberg Businessweek]

Richmond (Calif.)-based Alion is hoping to raise $25 million to create robotic machinery that builds and maintains solar farms, reports Andrew Herndon. [Bloomberg News]

RR Donnelley is launching a “post-accelerator” program for startups that have a product ready and are focused on making sales, writes Erin Griffith. [PandoDaily]

Vivek Wadhwa, author of The Immigrant Exodus, says tech companies are starving for foreign workers (video). [Bloomberg Television]

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