kerbiloid Posted February 19 Share Posted February 19 6 hours ago, farmerben said: Hydrogen can be used instead of Carbon as a reduction agent in steel making. It looks possible for Earth to switch over entirely to this technique in <100 years, if green policies are a priority. https://www.weforum.org/agenda/2022/07/green-steel-emissions-net-zero/ The fun part: the most part of the hydrogen is produced with carbon or its compounds.. Quote Link to comment Share on other sites More sharing options...
tater Posted February 21 Share Posted February 21 Quote Link to comment Share on other sites More sharing options...
tater Posted February 28 Share Posted February 28 Raw reentry vid from Varda: Quote Link to comment Share on other sites More sharing options...
AckSed Posted February 28 Share Posted February 28 (edited) That was oddly beautiful. Fixed perspective and the slow tumble made me hum Blue Danube. Edited February 28 by AckSed Quote Link to comment Share on other sites More sharing options...
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