Daily Archives: December 28, 2017

Charles Goodyear — December 29 is the birthday of the man who discovered the process to vulcanize rubber. Rubber is a natural polymer collected from trees in India, Malaysia, and Indonesia. The latex sap is collected and refined for commercial use. Rubber was great for applications such as waterproofing and insulation, but it […]

Today in Science History – December 29 – Charles Goodyear

This entry was posted on December 28, 2017 by Todd Helmenstine (updated on January 22, 2023)

Constellations Wordsearch Puzzle — Constellations are patterns we’ve assigned to groups of stars in the night sky. A constellations wordsearch is patterns of letters hidden in a sky of letters. Find the names of major constellations in this wordsearch puzzle. The names of the constellations can be found vertically, horizontally, and diagonally. The puzzle is […]

Constellations Wordsearch Puzzle

This entry was posted on December 28, 2017 by Todd Helmenstine (updated on May 16, 2021)