Minkwan Kim

1 month ago | ca.news.yahoo.com | Ian Williams |Minkwan Kim

Thousands of satellites are due to burn up in the atmosphere every year – damaging the ozone layer and changing the climateThe world’s first artificial satellite, the Soviet Union’s Sputnik 1, was launched in October 1957. Just three months later, it fell out of orbit. As Sputnik hit the upper atmosphere at incredible speed, the friction would have caused it to heat up and almost entirely burn off.

Aug 6, 2024 | pubs.rsc.org | Jinyoung Kim |Minkwan Kim |Jimin Lee |Jiwoo An

Insights from Li and Zn systems for advancing Mg and Ca metal batteries The inherent limitations of lithium (Li)-ion batteries have sparked interest in exploring alternative technologies, especially those relying on metallic anodes: monovalent Li and divalent zinc (Zn), magnesium (Mg), and calcium (Ca) metals.