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Half as Interesting

Season 2025 · Episode 45

The Design of the World’s Most Secure Banknote

0.08mNovember 11, 2025

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Episodes

Episode 1Why People Live In Tubes At The Bottom of the Ocean
Episode 2How Renault Won an F1 Race by Crashing a Car
Episode 3The Nuke-Proof US Military Base in a Mountain
Episode 4This 2-Mile Long Gondola Cost $52 Million
Episode 5The Swimsuit So Good They Banned It
Episode 6The Unspoken Rules of LEGO Sets
Episode 7Brooklyn’s Only Interstate Is Doomed
Episode 8The Fake Currency That Saved Brazil’s Economy
Episode 9500 Terrible Topics We Didn’t Make Videos About
Episode 10The 19 Year Process of Inventing a New Apple
Episode 11The Algorithm Running Up French Fry Prices
Episode 12How to Design the Perfect F1 Track
Episode 13The Decades-Long Battle Over Low-Flow Toilets
Episode 14How The Largest Human Gathering In The World Works
Episode 15All The Loopholes to Travel from Europe to Russia
Episode 16Why Isn’t There Public Transit From the Airport to Disney World?
Episode 17The Frank Lloyd Wright Skyscraper That Sold for $10
Episode 18Why You Need Sand from This Town to Make a Computer
Episode 19The Scam That Hit Every Adult in Canada
Episode 20The Absurd Lengths Billionaires Go to Not “Live” in NYC
Episode 21The 467 Rules You Have to Follow to Put an Animal in a Movie
Episode 22The Absurd Science Behind Really Good Bowling Balls
Episode 23How Much of the Moon Is On Earth?
Episode 24The CIA’s Secret Star Wars Fan Blog
Episode 25Why Isn’t There Public Transit from the Airport to the Vegas Strip?
Episode 26Why the US’ 2nd-Busiest Passenger Railway Is Doomed
Episode 27Why The QWERTY Keyboard Actually Sucks
Episode 28The Insane Logistics of Pro Baseball
Episode 29The Most Controversial Half-Acre in NYC
Episode 30Detroit’s Tiny, Terrible Metro System
Episode 31The Fake Countries the US Fights Fake Wars Against
Episode 32The Insane Production Schedule of Love Island
Episode 33The Multimillionaire Feud Over Horse Clones
Episode 34The Decades-Long Fight Over The Font on Highway Signs
Episode 35The Worst Mistakes We Made This Year (Again)
Episode 36All The Non-Passenger Trains in the NYC Subway
Episode 37Why There’s a 61-Mile Conveyor Belt in the Sahara Desert
Episode 38France Sent Their Dumbest Spies to Blow Up This Boat in NZ
Episode 39Why Does the World’s Biggest Ship Exist?
Episode 40Why This Car Basically Only Exists in NYC
Episode 41The Risky Logistics of Alaska’s Food Supply Chain
Episode 42How Indonesia Is Accidentally Sinking Their Capital
Episode 43How They Just Discovered a New 14,000 Foot Mountain
Episode 44How Do They Choose the Spelling Bee Words?
Episode 45The Design of the World’s Most Secure Banknote
Episode 46The US Military’s Really Big, Really Controversial Radar System
Episode 47How FEMA’s Doomsday Radio System Works
Episode 48Why It’s So Hard To Know Where the Utility Pipes Are
Episode 49The US Military’s Fast Food Division
Episode 50How This Country Overestimated Their Population by 7 Million People
Episode 51Why It Was Illegal to Sell All Your Raisins Until 2015
Episode 52The Time the US Sent 813 Soldiers to Cut Down One Tree