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Recent Submissions

1. 1. ▲ $30 3D printed window heat exchanger [video] (youtube.com) 3 points · 1 year ago · 0 comments
2. 2. ▲ A big boost to Europe's climate change goals (knowablemagazine.org) 5 points · 2 years ago · 0 comments
3. 3. ▲ Google will kill off old versions of Android next month (arstechnica.com) 2 points · 4 years ago · 0 comments
4. 4. ▲ Standing on our own two feet (letsencrypt.org) 584 points · 5 years ago · 197 comments