Join host Eli Mercer as he explores mainframe computers—hidden titans powering modern civilization. Process trillions of daily transactions for banks, airlines, and governments. Discover why these engineering marvels never went extinct, how they achieve near-perfect uptime, and why centralized computing quietly won the architecture war.

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This content was created in partnership and with the help of Artificial Intelligence AI

Join host Eli Mercer as he traces computing's pendulum swing between centralization and decentralization, from 1944's Harvard Mark One to today's cloud infrastructure. Discover why mainframes never died despite decades of predictions, and how modern AI and cloud computing prove centralized processing was right all along.

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This content was created in partnership and with the help of Artificial Intelligence AI

Host Eli Mercer explores IBM's z16 and z17 mainframes, which process one trillion secure transactions daily. These centralized systems feature 256 cores, 40TB memory, and on-chip AI fraud detection, powering global banking, healthcare, and logistics with unprecedented throughput concentration.

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This content was created in partnership and with the help of Artificial Intelligence AI

Eli Mercer explores the engineering philosophy behind mainframes — computers designed for 99.999% uptime that process a trillion secure transactions daily. From World War II origins to modern AI-accelerated systems, discover how these invisible giants power banking, airlines, and global infrastructure through relentless redundancy and failure planning.

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This content was created in partnership and with the help of Artificial Intelligence AI