ELI5 Titanium - why is it the metal most used in surgeries?

ELI5 Titanium - why is it the metal most used in surgeries?

Author: ELI5 Explain Like I'm Five Podcast January 2, 2026 Duration: 8:25
Why did the CIA secretly buy Soviet metal to build the very plane designed to spy on them? How does a metal named after Greek Titans manage to fuse physically with living human bone? If titanium is the ninth-most abundant element on Earth, why is it still so expensive to produce? And how did common chlorinated tap water nearly destroy the manufacturing of the world’s fastest titanium jet? ... 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: mattau93, bigaddam, barath_s, icowboy, justscottaustin, 1fresco, qininator and cheapseats91 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
Podcast Episodes
ELI5 Daylight Savings Time - who thought it was a good idea? [not-audio_url] [/not-audio_url]

Duration: 8:39
Why do we still change clocks to Daylight Savings Time when so many people dislike it? Who came up with the idea in the first place? Why is there a movement to permanent Daylight Savings Time? Are farmers for or against…
ELI5 Ferris Wheels - what inspired George Ferris to invent it? [not-audio_url] [/not-audio_url]

Duration: 8:02
What inspired George Ferris to create the first Ferris wheel at the Chicago World’s Fair in 1893? How tall was the original Ferris wheel, and what impressive structure did it aim to surpass? What unique challenges did en…
ELI5 Silica Gel Desiccants - can they be reused? [not-audio_url] [/not-audio_url]

Duration: 7:41
What exactly are desiccants, and why are they commonly used in packaging? How does silica gel effectively trap moisture in humid environments? Can you explain the nanoporous structure of silica gel that makes it so effic…
ELI5 Washing Machines - more consequential than the internet? [not-audio_url] [/not-audio_url]

Duration: 7:50
What makes washing machines such a vital household invention in the modern world? How did washing machines transform household chores from 8-12 hours to a fraction of that time? Could you explain the role of water temper…