The Stepchange Show

by Ben Shwab Eidelson & Anay Shah

Stepchange tells the stories of human progress through the lens of transformative technologies, systems, and infrastructure. Each episode unpacks a crucial innovation that fundamentally changed how we live, work, and relate to one another.

“If you like Acquired, you will love Stepchange”

Ben Gilbert, Acquired

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1882: Edison’s team lays the first electrical grid in New York City

1896: Niagara Falls — first large-scale AC hydroelectric plant powered Buffalo 26 miles away

1935: Rural Electrification Administration wired the American countryside

1950s: The golden age of grid expansion — demand doubled every decade

Transmission lines spanning the continent — AC unlocked remote generation at scale

2001: Enron’s collapse — deregulation’s poster child and the California energy crisis

2010s: Solar costs dropped 90% in a decade, reshaping the grid’s generation mix

2023: AI and hyperscale data centers drive the biggest demand surge in decades

Episode IVComing Soon
Coming Spring 2026

The Grid

The Largest Machine Ever Built

The American electrical grid is the largest interconnected machine in human history — a system where a load spike in New York creates electromagnetic drag on generators spinning in Florida, where three continental-scale networks pulse at exactly 60 Hz, and where the rules written a century ago still determine who gets power and who pays. This is the story of how it was built, who built it, and why the biggest transformation since electrification is happening right now.

Key Moments

1882Edison’s Pearl Street Station
1896Niagara Falls powers Buffalo
1935Rural Electrification Act
2003Northeast blackout
2023AI demand wave hits
1.Sparks in the Dark
2.Empires of Light
3.Power Over Distance
4.The Monopoly Bargain
5.A Nation Wired by the Nation
6.Too Cheap to Meter
7.When the Lights Went Out
8.Markets and Manipulation
9.Fractures and Flat Lines
10.The New Power Hunger
11.A World of Wires
12.The Largest Machine, Rebuilt
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1890: Hollerith's tabulator processed the U.S. Census in 2 years vs. 7 years manually

1970s-1980s: Personal computers challenged centralized mainframe dominance

1998: Google's first data center bill from Exodus Communications—just $8,830/month

1990s-2000s: Submarine cables carrying 99% of international internet traffic

2010s: Modern hyperscale data centers powering cloud computing

2024: Meta's 5-gigawatt Hyperion campus—the scale required for AI training

Episode III
Sep 15, 2025

Data Centers

The Hidden Backbone of Our Modern World

Every time you stream a show, send an email, or ask ChatGPT a question, you're tapping into vast warehouses filled with servers—data centers that now consume as much electricity as entire countries. As AI and cloud computing explode, these invisible facilities have become one of the fastest-growing energy sectors on earth. This episode traces how we built the digital infrastructure that powers modern life, why it demands so much energy, and what data centers mean for our climate future.

Key Moments

1890Hollerith's tabulator
1960sMainframe era begins
1990sInternet data centers
2006Cloud computing era
2023AI boom begins
1.The Mechanical Brain
2.The SAGE System
3.The Glass Houses Were King
4.The Birth of the Internet
5.The Personal Computer Arrives
6.The Commercial Internet
7.Rise of the Hyperscalers
8.The Cloud Matures
9.The Great Acceleration
10.The AI Factory
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1900s: J.P. Morgan's financial empire controlled the flow of coal across America

1850s-1900s: The Bessemer converter transformed coal-fueled iron into steel

1900s: Modern coal power plant turbines powering the 20th century

1920s: Mao organizing coal miners—establishing the link between labor and power

Modern era: Mountaintop removal mining reshaping landscapes at unprecedented scale

1906: HMS Dreadnought—coal as geopolitical weapon revolutionizing naval dominance

2012: Beijing air pollution crisis forcing China toward ecological civilization

Episode II
Apr 27, 2025

Coal: Part II

The Invisible Giant (~1900-Present)

After dominating global energy for over a century, coal is now in rapid retreat—displaced by natural gas, renewable energy, and mounting climate concerns. But coal's decline hasn't been smooth or universal. This episode examines why some regions cling to coal while others phase it out, what coal's fall teaches us about energy transitions, and how understanding its legacy shapes our path to decarbonization.

Key Moments

1900Morgan's coal empire
1950sPeak coal era
1970sEnvironmental concerns
2000sNatural gas competition
2020sRapid decline
1.Introduction & Recap
2.Arteries of Capital: Morgan & The Railroads
3.The Age of Steel: Carnegie's Empire
4.The Physics of Light: Electricity's Dawn
5.The Machine in the Garden: Building the Grid
6.The Great Acceleration: China and the Modern Coal Wars
7.The Great Displacement & The Eastern Rise
8.The Modern Inferno & The Red Dragon
9.Shockwaves & Resurgence
10.Market Forces & Global Divergence
11.The Long Shadow of King Coal
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Bituminous coal—the dense, energy-rich fuel that transformed human civilization

Ancient swamps: Peat gathering represents humanity's earliest use of fossilized plant matter

1900s: Lewis Hine's photograph captures the brutal human cost of the coal economy

1779: The Iron Bridge at Coalbrookdale—first major cast-iron structure

1712: Newcomen's atmospheric steam engine launched the age of steam power

1829: Stephenson's Rocket transformed global commerce through steam railways

2023: Global coal consumption reaches all-time high despite climate concerns

Modern era: Massive coal infrastructure continues worldwide despite climate commitments

Episode I
Jan 20, 2025

Coal: Part I

The Black Rock That Built Our World

Before coal, most people lived and died within miles of where they were born, powered by muscle, wind, and flowing water. Coal changed everything. This episode explores how a black rock formed from ancient swamps became the foundation of modern civilization—powering the Industrial Revolution, reshaping cities, and creating the electrical grid that still defines our lives today.

Key Moments

400M BCEAncient swamps form coal
1550sEngland's wood shortage
1709Darby unlocks iron
1825Railways connect the world
1876Coal powers America
1.The Black Rock That Built Our World
2.The Carboniferous Genesis
3.Early Sparks, Ancient Use
4.The Black Death and a King's Frustration
5.The Domestic Revolution
6.Iron's Fiery Embrace
7.Unleashing Steam from Waterlogged Mines
8.Watt's Engine and the Industrial Dawn
9.The Age of the Railway
10.The Price of Progress
11.Life in the Darkness
12.An American Awakening
13.King Coal and the Civil War
14.The Stage is Set
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