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This is compatible with RepRapFimware 3.4.5, and it's the third update to the configuration files (Config C). If an update to RepRapFirmware happens, and the configuration files have been updated to ...

Bill Whitaker is an award-winning journalist and 60 Minutes correspondent who has covered major news stories, domestically and across the globe, for more than four decades with CBS News. Aliza Chasan ...