Category Science

World’s Most Accurate Clocks Could Redefine Time

Inside a laboratory nestled in the foothills of the Rocky Mountains, amid a labyrinth of lenses, mirrors, and other optical machinery bolted to a vibration-resistant table, an apparatus resembling a chimney pipe rises toward the ceiling. On a recent visit,…

Science History from 50, 100 and 150 Years Ago

February 18, 2025 3 min read Science History from 50, 100 and 150 Years Ago Color blindness; the end of fire By Mark Fischetti 1975, Color Blindness: “People with protanopia cannot distinguish between green and red or colors in between.…