The U.S. Mint struck its final circulating penny on November 12, 2025, in Philadelphia, bringing a 232-year production run to ...

A pile of leftover epoxy scraps becomes a mystical fantasy potion in this quirky DIY challenge. Watch the sanding, shaping, ...

A quick mid-year check on your jewelry box will tell you what your collection needs. That could mean a mermaid-girl summer of pearls and seashell beads or a sentimental gift for your loved one. As for ...

Abstract: The stability and population of radicals in aged epoxy resins with different electrical trees are investigated by electron paramagnetic resonance (EPR). Branch trees and bush trees of ...

Abstract: Epoxy resin (EP) has been widely utilized in electrical equipment and electronic devices due to its fascinating electric, thermal, and mechanical properties. However, the complex insulation ...

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