The Invisible Engineers Behind Modern Infrastructure
A new ten-part documentary series hosted on National Geographic’s digital platform peels back the curtain on the systems keeping civilization functional. Produced by Nicely Done Productions, Threads of Connectivity tracks five global corporations tasked with modernizing everything from subway wireless networks to the continental power grid.

The series focuses on the technical challenges of maintaining critical infrastructure in an era of rapid technological shift. Boldyn Networks is currently working to install 5G connectivity across 418 miles of New York City subway tunnels, an environment CEO Christos Karmis describes as one of the most demanding deployment sites on earth. Meanwhile, Medtronic is integrating its AiBLE smart ecosystem into spine surgery, utilizing robotics and AI to refine complex surgical workflows.
Customer service and energy management also feature prominently in the lineup. Genesys is deploying agentic AI designed to resolve consumer issues proactively, while Carrier is re-engineering residential cooling systems to prevent grid strain during heatwaves. Perhaps the most expansive scope belongs to OATI, the software firm managing 95 percent of North America's transmission system. By introducing AI Genie to control rooms, the company aims to stabilize a grid increasingly burdened by electric vehicles and data center demand. According to Nicely Done Productions CEO Jay Slater, the series highlights the work of engineers who prevent system failure before the public ever notices a disruption.
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