"이건 한국에서 배워야 한다" 미국이 서울 지하철을 따라 하려다 접었다는 '이 기술'의 정체

On New York subway platforms, people stand with their backs against the wall. They only step forward after confirming with their own eyes that the train has stopped. Meanwhile, in Seoul, people just stare at their phones in front of the safety doors. I tried to make New York like Seoul. I calculated the cost and gave up. The reason was 30 centimeters. ⏱️ Timeline 00:00 A Photo of a New York Platform (Intro) 01:45 June 26, 2003, Hoehyeon Station 04:10 The Day That Sentence "You Should Have Been Careful" Was Flipped 06:23 Why Did It Have to Be a Station with a Severe Curve First 08:24 262 Places, The Calculations Don't Add Up 10:54 People Went onto the Platform After the Last Train Stopped 12:54 30 Centimeters — The Reason New York Can't Do It Even If They Spend 10 Trillion Won 15:27 From Thirty-Seven to Zero.4 17:29 People Who Became Able to Ride the Subway Alone 20:12 Guui Station, and What Changed Afterward 21:07 Until We Came to Sell the Technology We Had Borrowed 22:45 "This Is a Place Where It Is Okay to Do That" #ScreenDoors #SeoulSubway #NewYorkSubway #PlatformScreeningDoors #ScreeningDoors #SubwaySafety #SeoulTransportationCorporation #OverseasReaction #KIDIFRIENDS #UrbanRailway #SouthKorea #OjirapEconomy Parts of this video were produced using AI technology. 🔗 Sources Electronic Times — "We stick to the wall to survive"… New Yorkers envious of Korean subway 'screen doors' https://www.etnews.com/20260713000378 Seoul Business Daily — [Video] The whole world is so envious of Korea… The reason foreigners riding the subway are surprised https://www.sedaily.com/article/20066607 Herald Business Daily — Seoul subway, after installing screen doors… '0' deaths in the last 3 years https://biz.heraldcorp.com/article/10... Financial News — Subway 'screen doors' successfully settled in… Pushing Forward If It Sees the Light Years https://www.fnnews.com/news/202503171... eKorea — US Subways Without Screen Doors: What Is the Difference from the Seoul Subway? https://www.ekoreanews.co.kr/news/art... Seattle Korean Daily — Zero Deaths on Seoul Subway After Screen Door Installation… From Annual Average of 37 to 'Zero' http://www.seattlekdaily.com/news/art... Hi US Korea News — Why Can't New York Subway Install Screen Doors? https://hiuskorea.com/washingtondc/ah...