Plumbing
96 episodes
#6279: What Salt-Free Water Conditioners Actually Do
A German test showed template-assisted crystallization reduced scale accumulation on heating coils from 0.4 moles down to 0.001 moles.
#6015: How Banks Move a Million vs a Billion Dollars
A million and a billion are the same number to a computer. The difference is liquidity, netting, and where the payment actually settles.
#5914: Fire Alarms in 40-Story Towers: What Goes Wrong
How high-rise fire systems work — detection, smoke control, phased evacuation — and why burnt toast sends residents down 28 flights.
#5890: Fifteen Miles an Hour Through a Metal Pipe
Paris ran 427 km of pneumatic tube under its streets and moved 30 million messages a year. Then the fax machine replaced it.
#5889: How Pipeline Pigs Actually Work
A bundle of straw that squealed through the pipe gave the industry its weirdest word. Now pigs weigh tons and hunt cracks underground.
#5888: Where Does the Rain Actually Go?
An inch of rain on one acre of pavement is 27,000 gallons. Cities have three ways to get rid of it — and all of them fail on purpose.
#5883: What Happens to Water Between the Plant and Your Tap
Utilities push 100 litres of treated water into the pipes. How much actually arrives? The answer is messier — and more interesting — than one number.
#5882: Half of All Energy Becomes Heat. Now What?
Half the world's energy ends up as waste heat — but only 6% is worth recovering. Inside the cities that built the pipes anyway.
#5847: Why One EQ Curve Can't Fix Two Voices
One static EQ curve can't serve two different voices — here's why, and what actually works instead.
#5764: What Does Siemens Actually Make?
Factories, buildings, trains, power grids — Siemens is everywhere and nearly invisible. A tour of the industrial giant most people can't explain.
#5756: The Blue Plug That Out-Engineers Your House
The blue 230V IEC 60309 connector is tougher than anything on your wall — but the fuse problem and a BS 7671 quirk complicate the swap.
#5733: Why Your Raspberry Pi's Wi-Fi Keeps Dropping
The antenna on your Pi isn't the problem — where it sits is. What actually keeps an SBC link alive.
#5605: From Dolium to Cup: Rome's Wine Supply Chain
Rome had no wine bottles — just giant buried jars, throwaway shipping pots, and a hill of 53 million smashed amphorae.
#5595: Roman Roads Still Running Under Modern Cities
The Aqua Virgo still pours into the Trevi Fountain. The Cloaca Maxima still drains central Rome. What keeps ancient infrastructure alive?
#5441: Dollar Plumbing: Why Bessent's Iran Threat Has Teeth
One line from Treasury can ground an airline worldwide. The reason lives in New York's clearing houses, not the currency itself.
#5382: 10 Commercial Gear Upgrades for Your Home
Commercial dishwashers, washers, and fridges can outlast consumer gear — if your electrical panel cooperates.
#5381: What Hotels Know About Laundry Machines
Washer-extractors, 400 G-force spins, and why a hotel laundry machine won't fit in your apartment.
#5335: The Hidden History of Toilets and Sanitation
From Indus Valley flush drains to Roman sponge sticks to gong farmers — the surprising, gross, and brilliant story of human waste.
#5267: When Rights Exist Only on Paper
A warranty, a lease, and a long drive: why laws that exist don't always protect the people they name.
#5231: Uranium: From Yellow Glass to Little Boy
Connecticut well water, Roman glass, and the isotope that changed the world — the strange story of element 92.
#5178: Who Checks on Empty Houses — And What It Costs
Absentee owners pay a stranger to flush the toilets and photograph the water heater. The whole industry runs on trust — and a written report.
#5149: What 40 Million Tons of Rubble Does to a Landscape
Satellite imagery shows the scale. It doesn't show the eight meters of crushed concrete, the asbestos dust, or the ordnance beneath.
#5059: Israel's Unique Plug Problem: Standards, Cost, and Identity
Why does Israel have its own electrical plug no other country uses? The story of the Standards Institution of Israel reveals a nation-building lega...
#5015: Plugs vs. Water: What Actually Keeps You Safe
Why bathroom and outdoor outlets fail, and what actually works to keep both you and your gear safe.