Eric Walker added 502 Bad Gateway to Copper
Eric Walker added Is There Enough Metal to Replace Oil? - CounterPunch.org to Copper and Renewable energy
Eric Walker added Workers strike at world's largest copper producer, Chile's Codelco to Copper
Eric Walker added DRC bans export of cobalt, copper concentrate - Fastmarkets - MINING.COM to Copper, Congo and Cobalt
Eric Walker added Scientists have created a new recyclable metal foam only 10 times heavier than air that can filter out tiny particulates, including droplets and aerosols containing the coronavirus, exhibiting near 100% filtration efficiency, and is just as breathable as filters in current N95 masks : science to Copper
Eric Walker added Ghassulian and Yamnaya culture and a number of links to Copper Age, and added Copper Age to Archeology, Copper and Society, culture, cultures, civilization and civilizations
Eric Walker added a number of topics and We found a new type of stellar explosion that could explain a 13-billion-year-old mystery of the Milky Way's elements and Is It Time to Upend the Periodic Table? - The New York Times to Chemical elements, and added Chemical elements to Chemistry and Atoms, molecules, chemicals, minerals, materials and compounds
Eric Walker added Copper Age and Copper as an antimicrobial agent and a number of links to Copper, and added Copper to Metals and Chemical elements
Eric Walker added 2020-02 Hierarchical Micro/Mesoporous Copper Structure with Enhanced Antimicrobial Property via Laser Surface Texturing and 2020-02 In Vitro Evaluation of Antimicrobial Efficacy and Durability of Three Copper Surfaces Used in Healthcare and a number of links to Copper as an antimicrobial agent, and added Copper as an antimicrobial agent to Copper and Antimicrobial agents
Eric Walker added a number of topics and a number of links to Metals, and added Metals to Atoms, molecules, chemicals, minerals, materials and compounds