Hacker News: Front Page
shared a link post in group #Stream of Goodies
arstechnica.com
Aluminum mining waste could be a source of green steel
After the extraction, the remaining waste is less harmful to the environment.
Comment here to discuss with all recipients or tap a user's profile image to discuss privately.
Embed post to a webpage :
<div data-postid="kbbmqow" [...] </div>