4 ms·
Also: Yellow Powder Quickly Pulls Carbon Dioxide from the Air - https://news.ycombinator.com/item?id=42225265 https://news.ycombinator.com/item?id=42225265 Di
by aguaviva 2y ago
Also:
Yellow Powder Quickly Pulls Carbon Dioxide from the Air - https://news.ycombinator.com/item?id=42225265 https://news.ycombinator.com/item?id=42225265
Discussion 36 days ago, 45 comments - https://news.ycombinator.com/item?id=41927684 https://news.ycombinator.com/item?id=41927684