ELI5 One Way Mirrors - how do they work?

ELI5 One Way Mirrors - how do they work?

Author: ELI5 Explain Like I'm Five Podcast February 20, 2026 Duration: 7:29
How do one way mirrors allow light to pass in only one direction? If light travels through the glass equally from both sides, why does the simple flip of a light switch create a hidden observer? How does a microscopic layer of aluminum or silver on a piece of glass actually bounce light back to create a reflection? Why does our brain instantly prefer our flipped mirror image over the real perspective captured in a photograph? ... 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: avalancheofneed, afropuf, coolminded, tequilaamocking_bird, blade_torlock, imtrollin_theyhatin, antiproton and spilgrim16 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

Ever find yourself wondering about something seemingly simple, but the answers online are full of jargon? That's where ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about-in a mini podcast comes in. Each episode grabs a curious question-maybe why the sky is blue, how electricity actually works, or the history behind a common tradition-and breaks it down into clear, digestible pieces. The aim is genuine understanding, not just a quick fact. Sourced from the vibrant curiosity of the Reddit community, this podcast transforms those everyday "how" and "why" mysteries into short, focused conversations. You'll hear about topics spanning science, culture, society, and our planet, all explained as if to a bright five-year-old, which turns out to be the perfect clarity level for anyone. It’s for the casually inquisitive, the lifelong learner, or anyone who just wants a straightforward answer without the lecture. Tune in for a few minutes and come away a little more informed about the world, one simple explanation at a time.
Author: Language: English Episodes: 100

ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast