Monthly Archives: November 2014

Galileo Ferraris — October 31 is Joseph Wilson Swan’s birthday. Swan was the English chemist and inventor who invented the incandescent light bulb. After finishing his apprenticeship as a chemist, Swan joined a group of manufacturing chemists in Newcastle. One of the projects this group worked on was the manufacture of photographic plates. Swan […]

Today In Science History – October 31 – Joseph Wilson ... Recently updated !

This entry was posted on November 3, 2014 by Todd Helmenstine (updated on August 15, 2026)

Dickinson W. Richards — October 30 is Hermann Franz Moritz Kopp’s birthday. Kopp was a German chemist and science historian. Kopp spent his chemical career comparing physical properties of compounds to the physical properties of the atoms that made them up. He discovered the physical properties of many organic compounds, such as boiling point, […]

Today In Science History – October 30 – Hermann Franz ...

This entry was posted on November 2, 2014 by Todd Helmenstine (updated on October 30, 2021)

Density of Elements Periodic Table — This Periodic Table wallpaper HD shows the densities of the elements. Each element is represented by its atomic number, element symbol, element name, atomic mass and density. The density values are taken at or around room temperature. If an element has multiple allotropes, the density value is for the allotrope […]

Periodic Table Wallpaper HD – Density

This entry was posted on November 2, 2014 by Todd Helmenstine (updated on May 2, 2021)