Silver mirror triples efficiency of perovskite solar cells By Michael Irving. February 19, 2023 ... (gray), which boosts efficiency by creating reflections of electron-hole pairs (red and blue) ...

A woman with gray hair looks at herself in a mirror. A woman has documented her four-year journey to silver hair on TikTok. Youngoldman/iStock / Getty Images Plus ...

Joining the Silver Sisters community on social media taught me to embrace gray hair when I ditched the dye at age 31. When I was 31, I decided to embrace my natural gray hair. 6 months into the ...