Fishstickmonkey: Galileo’s Objective Lensauthor:vittorio Crosten (Frame)Date:lens: Late 1609 - Early 1610 / Frame: 1677Materials:lens: Glass, Gilt Brass / Frame: Ivory, Ebonydimensions:lens Diameter 38 Mm / Frame 410X300 Mmobjective Lens Used By
wildcat2030: Scientists find ‘strongest’ natural material-Limpet teeth might be the strongest natural material known, with biological structures so strong (3.0 to 6.5 GPa tensile strength) they could be copied to make future cars, boats, and planes,
