Physics:Timeline of hydrogen technologies
From HandWiki Test
Timeline of hydrogen technologies is a historical overview of selected discoveries, instruments, and technologies connected with hydrogen. It supports the history section of Physics:Quantum atoms/hydrogen.
Timeline
- 1671 - Robert Boyle describes the reaction of iron filings with dilute acids, producing a flammable gas later understood as hydrogen.
- 1766 - Henry Cavendish identifies hydrogen as a distinct gas and studies its properties.
- 1783 - Antoine Lavoisier gives hydrogen its modern name, from Greek roots meaning water-former.
- 1800 - Water electrolysis demonstrates a controlled way to split water into hydrogen and oxygen.
- 1839 - William Grove demonstrates an early hydrogen-oxygen fuel cell.
- 1885 - Johann Balmer describes regularities in hydrogen spectral lines.
- 1888 - Johannes Rydberg generalizes spectral formulas used for hydrogen and other atoms.
- 1913 - Niels Bohr uses hydrogen as the central example in his quantum model of the atom.
- 1931 - Deuterium is identified as a stable isotope of hydrogen.
- Mid twentieth century - Hydrogen becomes important in cryogenics, rocketry, ammonia synthesis, and nuclear fusion research.
- Late twentieth century - Fuel-cell systems and hydrogen storage materials become active engineering fields.
- Twenty-first century - Hydrogen technologies are studied for energy storage, fuel cells, industrial decarbonization, synthetic fuels, and low-carbon chemical production.
Quantum relevance
Hydrogen is technologically important, but it is also central to quantum physics because it is the simplest atom with a bound electron. Its spectrum, isotopes, and precision measurements connect hydrogen technology history with atomic spectroscopy and quantum theory.
Related pages
- Physics:Quantum atoms/hydrogen
- Physics:Quantum atoms/energy level
- Physics:Quantum Spectral lines and series
- Physics:Quantum photon
References
- "Hydrogen". https://www.britannica.com/science/hydrogen.
- "Hydrogen and Fuel Cell Technologies Office". U.S. Department of Energy. https://www.energy.gov/eere/fuelcells/hydrogen-and-fuel-cell-technologies-office.
Author: Harold Foppele
