Why My Teenage Code Was Terrible: Sorting Algorithms and Big O Notation

From Tom Scott. When I was a teenager, I wrote some terrible code. Here’s why. • Sponsored by Dashlane — for free on your first device @ https://www.dashlane.com/tomscott MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkcha Written by Sean M Elliott and Tom Scott Directed by Tomek Graphics by Mooviemakers https://www.mooviemakers.co.uk/ Audio mix by Haerther Productions https://haerther.net/ I’m at https://tomscott.com

Why Electronic Voting Is Still A Bad Idea

From Tom Scott. We still shouldn’t be using electronic voting. Here’s why. • Sponsored by Dashlane — for free on your first device @ https://www.dashlane.com/tomscott MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkcha REFERENCES: Computerphile video: https://www.youtube.com/watch?v=w3_0x6oaDmI Stories about voter identification happening outside the law: https://www.theguardian.com/notesandqueries/query/0,,-1051,00.html Voting machines left connected to the internet: https://www.vice.com/en_us/article/3kxzk9/exclusive-critical-us-election-systems-have-been-left-exposed-online-despite-official-denials Hackers getting voting machines to play…

Why The Elevator Shaft Was Invented Before The Elevator

From Tom Scott. It sounds ridiculous, but it’s true. At the Cooper Union Foundation Building in New York, there’s the world’s first elevator shaft: constructed four years before the safety elevator was invented. • Thanks to Prof. O’Donnell and all the team at the Cooper Union for the Advancement of Science and Art: you can…

I Almost Learned To Fly In The World’s Only Wingsuit Tunnel

From Tom Scott. In Stockholm, there’s a diagonal wind tunnel, used for one very specific purpose: learning to fly a wingsuit. I tried. I almost managed it. More about FlyLikeBrick: http://flylikebrick.com/ and the tunnel: https://indoorwingsuit.com/ Edited by Michelle Martin (@mrsmmartin) I’m at https://tomscott.com on Twitter at https://twitter.com/tomscott on Facebook at https://facebook.com/tomscott and on Instagram as…

How The Netherlands Simulated The Sea Before Computers: The Waterloopbos

From Tom Scott. "Build some models" seems obvious: but this is a story of ingenuity, of using natural resources well, and of a country that humans dragged from the sea. More about Waterloopbos: in English: https://www.holland.com/global/tourism/destinations/provinces/flevoland/deltawerk-at-the-waterloopbos.htm in Dutch: https://www.natuurmonumenten.nl/natuurgebieden/waterloopbos Thanks to Dr Van Rijn and all the team at Waterloopbos, and to Lennert and Sander…

The Giant Art That Keeps Planes Quiet

From Tom Scott. Next to Amsterdam Schiphol Airport is the Buitenschot Land Art Park, a giant set of ridges and furrows cut into the landscape. Yes, it’s art: but it also stops some local residents from being exposed to jet noise. More about the park: https://www.schiphol.nl/en/schiphol-as-a-neighbour/page/landscape-design-plan-to-combat-noise-nuisance/ I’m at https://tomscott.com on Twitter at https://twitter.com/tomscott on Facebook…

What Counts As The World’s Shortest River?

From Tom Scott. If you’ve been a subscriber for a while, you probably know where this one is going. Although you may still be surprised about where I ended up going… Montana’s Giant Springs State Park, and Lake Sumiainen in Finland, have very short rivers. Finding the shortest in the world, though: that could be…