Explain Like I'm Five, aka ELI5, is the mini-podcast series where we take the questions you always wanted to ask, and talk about them in a way that is easy to understand. Made possible by the amazing reddit community at r/explainlikeimfive. See episode show notes for user credits.
https://twitter.com/ELI5ThePodcast
episode 265: ELI5 Train Tracks - how do trains maintain traction in slippery conditions?
How do trains maintain traction on the tracks, especially during rainy or icy conditions? How do the wheels not slip off? Why do we always see stone or gravel on train tracks? How did early trains in the 1800s make sure they didn’t collide into each other?
... we explain like I'm five
Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: leprechaun2me, lblluke, kuddemuddel, toxiclayishimura_mjd, darthartero and dcsantonio
To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter:
https://www.twitter.com/eli5ThePodcast/
or send us an e-mail:
ELI5ThePodcast@gmail.com