The world's cleanest railway

At CEA-Leti, in Grenoble, there's a "funicular" that not many people get to ride: because it's between two clean rooms, and getting to it requires quite a lot of preparation. ■ CEA-Leti: https://www.leti-cea.com/cea-tech/leti/english/Pages/Welcome.aspx For most of my research on this, I'm indebted to this French-language article from by Julien Meyrat: https://www.vepres.fr/vepres-presse-salles-propres-funiculaire/ Camera: Simon Gillouin Editor: Michelle Martin https://www.youtube.com/@OnTheCrux Local production by Block8 https://block8production.com 🟥 MORE FROM TOM: https://www.tomscott.com/ (you can find contact details and social links there too) 📰 WEEKLY NEWSLETTER with good stuff from the rest of the internet: https://www.tomscott.com/newsletter/ ❓ LATERAL, free weekly podcast: https://lateralcast.com/ https://youtube.com/lateralcast/ ➕ TOM SCOTT PLUS: https://youtube.com/tomscottplus 👥 THE TECHNICAL DIFFICULTIES: https://youtube.com/techdif