HackerTube / Video
Precious Metal Refining & Recovery, Episode 10: Platinum From the Road
Cody'sLab
Cody's Lab collects a sample of dust from the side of a highway and refines it to recover platinum-group metals deposited by catalytic converters. The video walks through the chemistry of separating and assaying the precious metals.
HN commenters cite it as a vivid demonstration that roadside and tire/pavement dust contains recoverable platinum.
7 Hacker News mentions · 2018–2024