This word cloud visualization displays physics-related terms and definitions scraped from sources like Wikipedia and dictionaries, with word size encoding frequency. Built with the d3.layout.cloud plugin by Jason Davies, it places words in an 800x300 SVG canvas from a JSON array of text-size pairs, with all words rotated at zero degrees. The code uses d3.scale.linear to map frequency values to grayscale colors, and renders text elements via d3’s SVG selection API.