Collagen powders, capsules, or drinks — which form works best? Compare the benefits, costs, and effectiveness of collagen supplements for healthier joints and skin.
Abstract: Metasurfaces have attracted extensive attention due to their excellent capabilities in wavefront manipulation. However, chromatic aberration, which is widely present in phase-modulated ...
Abstract: A more accurate shooting and bouncing ray method (SBR) based on curvature wavefront ray tracing is proposed for radar cross section (RCS) simulation of triangular meshed curved targets. The ...
Skoltech researchers proposed doping the cathode material with high-valent tantalum and discovered that adding 0.5 mole percent of tantalum oxide (Ta₂O₅) reduced the rate of battery capacity decay per ...