来自MSN11 天
Precious Metals in Q4 and 2024- Where are they Heading in 2025?
Silver rises to a multi-year high in 2024- A decline in Q4 but a significant rise in 2024 While COMEX silver futures declined ...
Nanowerk7 天
Liquid crystal-powered metasurfaces enable switchable color displays and security features
New research combines liquid crystals with metallic metasurfaces in a two-layer design, enabling electrically and thermally switchable displays and security features with superior color control.