Gravitational Waves & Interferometry: Global Cross-Cultural Perspectives
Encyclopedia/1. The Cosmos & The Natural World/2. Physics & Chemistry/02. Relativity & Gravitational Physics • Curated by Admin Timeline.sg
A comprehensive timeline of gravitational wave and interferometry milestones from ancient optical theories to modern multi-messenger astronomy, highlighting contributions from diverse civilizations across the globe.
Chronological Storyline (39 Milestones)
400 BCE
Mozi Describes Optical Principles
The Chinese philosopher Mozi writes the Mo Jing, describing pinhole camera optics and basic principles of light travel, laying early foundations for optical science. #physics #history
Euclid's Optics establishes geometric optics, including the concept of light rays and reflection, influencing later developments in interferometry. #physics #history
Euclid Publishes Optics By Jusepe de Ribera (Spanish / Italian, 1591 - 1652) (1591 - 1652) – artist (Spanish / Italian) Details on Google Art Project - wAGVeSb2M1HfDA at Google Cultural Institute maximum zoom level, Public domain, https://commons.wikimedia.org/w/index.php?curid=21993409
1015 CE
Ibn al-Haytham's Book of Optics
Ibn al-Haytham (Alhazen) publishes the Book of Optics, introducing principles of refraction and experimental methods that underpin modern interferometry. #optics #islamicgoldenage
Ibn al-Haytham's Book of Optics By Adolph Boÿ, engraved by Jeremias Falck. Used as the frontispiece to Johannes Hevelius, Selenographia, 1647 - https://www.loc.gov/resource/rbctos.2017rosen1321/?sp=9&r=0.059,0.617,0.327,0.182,0, Public domain, https://commons.wikimedia.org/w/index.php?curid=165125519
1666 CE
Newton's Prism Experiments
Isaac Newton demonstrates that white light disperses into colors through a prism, advancing wave and particle theories of light. #physics #experiment
Newton's Prism Experiments By Godfrey Kneller - File:Portrait of Sir Isaac Newton, 1689.jpg from https://exhibitions.lib.cam.ac.uk/linesofthought/artifacts, Public domain, https://commons.wikimedia.org/w/index.php?curid=132521185
1801 CE
Young's Double-Slit Experiment
Thomas Young's double-slit experiment demonstrates light interference, proving the wave nature of light and laying groundwork for interferometry. #physics #experiment )
Young's Double-Slit Experiment By Henry Perronet Briggs - http://rstb.royalsocietypublishing.org/content/370/1666/20140308, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=109315084
1816 CE
Fresnel's Wave Theory of Light
Augustin-Jean Fresnel presents a comprehensive wave theory of light, explaining interference and diffraction, crucial for later interferometric techniques. #physics #optics
Fresnel's Wave Theory of Light By E Rosette after a painting by A Tardieu - Plate II, Light and Colour, by RA Houstoun, 1903, Public domain, https://commons.wikimedia.org/w/index.php?curid=304190
1851 CE
Fizeau's Interferometer Experiment
Hippolyte Fizeau uses an interferometer to measure the speed of light in moving water, providing early evidence for the constancy of light speed. #physics #experiment
Fizeau's Interferometer Experiment By Eugène Pirou (1841-1909) - This file comes from Gallica Digital Library and is available under the digital ID btv1b84497649, Public domain, https://commons.wikimedia.org/w/index.php?curid=46564478
1881 CE
Michelson Invents Interferometer
Albert A. Michelson designs and builds the Michelson interferometer, a device crucial for measuring light interference and later used in gravitational wave detection. #physics #invention
Michelson Invents Interferometer By Unknown author, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=580180
1887 CE
Michelson–Morley Experiment
Michelson and Morley perform the famous experiment using their interferometer, failing to detect the ether and paving the way for Einstein's special relativity. #physics #experiment
Michelson–Morley Experiment By Case Western Reserve University - http://www.cellularuniverse.org/AA2MM_Aether.htm, Public domain, https://commons.wikimedia.org/w/index.php?curid=48697725
1915 CE
Einstein's General Relativity
Albert Einstein completes his general theory of relativity, which predicts gravitational waves as ripples in spacetime. #physics #relativity
Einstein's General Relativity By Simulating eXtreme Spacetimes Lensing (SXS) - https://www.ligo.caltech.edu/video/ligo20160211v3 (video link); see also http://www.black-holes.org/gw150914, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=46994894
1916 CE
Einstein Predicts Gravitational Waves
Einstein publishes a paper suggesting the existence of gravitational waves, though he later doubts their physical reality. #physics #gravitationalwaves
Einstein Predicts Gravitational Waves By Simulating eXtreme Spacetimes Collaboration/Canadian Institute for Theoretical Astrophysics/SciNet - http://www.black-holes.org/gw150914 (see https://www.youtube.com/watch?v=c-2XIuNFgD0), CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=46983496
1928 CE
Raman Effect Discovered
C. V. Raman discovers the Raman effect, inelastic scattering of light, which later contributes to spectroscopic techniques used in interferometry. #physics #discovery
Raman Effect Discovered By Nobel Foundation - From Nobel Lectures, Physics 1922-1941, Elsevier Publishing Company, Amsterdam, 1965, Public domain, https://commons.wikimedia.org/w/index.php?curid=4213636
1937 CE
Einstein and Rosen's Cylindrical Waves
Einstein and Nathan Rosen publish a paper on cylindrical gravitational waves, clarifying wave solutions in general relativity. #physics #theory
Einstein and Rosen's Cylindrical Waves By MikeRun - Own work, using Wurmloch (Wormhole) by MrFreakmanis (CC BY-SA 3.0) (https://www.thingiverse.com/thing:190022), CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=100253460
1957 CE
Weber Builds First Bar Detector
Joseph Weber constructs the first resonant bar detector to search for gravitational waves, initiating experimental efforts. #physics #experiment
Weber Builds First Bar Detector By US Navy - http://www.usna.com/NC/History/ClassOf1940/images/JosephWeber.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=17701824
1959 CE
Pound–Rebka Experiment
Robert Pound and Glen Rebka use the Mössbauer effect to measure gravitational redshift, testing general relativity and inspiring precision interferometry. #physics #experiment
Pound–Rebka Experiment By http://en.wikipedia.org/wiki/User:Lumidek - http://en.wikipedia.org/wiki/Image:JeffersonLeft.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=3421331
1967 CE
Discovery of Pulsars
Jocelyn Bell Burnell and Antony Hewish discover pulsars, providing natural clocks for indirect gravitational wave detection via binary pulsars. #astronomy #discovery
Discovery of Pulsars By NASA/CXC/SAO (X-Ray); NASA/JPL-Caltech (Infrared) - http://www.nasa.gov/sites/default/files/pia18848-wisefacepalm.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=36363158
1970 CE
Vishveshwara's Gravitational Wave Scattering
C. V. Vishveshwara publishes a seminal paper on the scattering of gravitational waves by black holes, a key theoretical contribution. #physics #theory
1974 CE
Hulse and Taylor Discover Binary Pulsar
Russell Hulse and Joseph Taylor discover the binary pulsar PSR B1913+16, providing a natural laboratory for studying gravitational wave emission. #astronomy #discovery
Hulse and Taylor Discover Binary Pulsar By ENERGY.GOV - HD.3A.054, Public domain, https://commons.wikimedia.org/w/index.php?curid=35935806
1978 CE
Orbital Decay Confirmed
Taylor and Joel Weisberg measure the orbital decay of the Hulse-Taylor binary, matching Einstein's gravitational wave predictions, providing indirect evidence. #physics #discovery
1980 CE
LIGO Proposal Conceived
The Laser Interferometer Gravitational-Wave Observatory (LIGO) is proposed by Rainer Weiss, Kip Thorne, and others, initiating large-scale interferometry. #physics #project
LIGO Proposal Conceived By Amber Stuver - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=46993713
1985 CE
Virgo Detector Planned
The Franco-Italian Virgo interferometer project is conceived, aiming to complement LIGO with a European observatory. #physics #collaboration
Virgo Detector Planned By The Virgo collaboration, CC0, https://commons.wikimedia.org/w/index.php?curid=45342143
1993 CE
Nobel Prize for Hulse and Taylor
Russell Hulse and Joseph Taylor are awarded the Nobel Prize in Physics for the discovery of the binary pulsar and its use in testing general relativity. #physics #award
1995 CE
GEO600 Project Begins
The German-British GEO600 gravitational wave detector project starts, testing advanced technologies for future interferometers. #physics #collaboration
GEO600 Project Begins By Oge oval - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=44133970
1997 CE
TAMA300 Begins Operations
Japan's TAMA300 interferometer becomes operational, contributing to gravitational wave research and paving the way for KAGRA. #physics #japan
TAMA300 Begins Operations By Kestrel (talk) - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=5065087
2002 CE
Initial LIGO First Science Run
LIGO begins its first science run, setting limits on gravitational wave strength but not detecting any signals. #physics #experiment
2005 CE
Advanced LIGO Funding Approved
The US National Science Foundation approves funding for Advanced LIGO, a major upgrade increasing sensitivity tenfold. #physics #funding
2007 CE
Virgo Begins Science Observations
The Virgo interferometer in Italy starts its first observation run, joining the global network of gravitational wave detectors. #physics #europe
Sep 14, 2015 CE
First Direct Detection: GW150914
LIGO detects gravitational waves from the merger of two black holes, confirming Einstein's prediction and opening a new era of astronomy. #physics #discovery
First Direct Detection: GW150914 By B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration) — full list at the end of the article - http://physics.aps.org/featured-article-pdf/10.1103/PhysRevLett.116.061102 . See also the associated Jupyter notebook., CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=46987868
Dec 26, 2016 CE
Second Detection: GW151226
LIGO announces a second gravitational wave signal from a black hole merger, further validating the detection method. #physics #discovery
Second Detection: GW151226 By LIGO Scientific Collaboration and Virgo Collaboration - http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.241103 This plot was created with Matplotlib., CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=49503102
Aug 14, 2017 CE
GW170814: First Triple Detection
LIGO and Virgo jointly detect gravitational waves from a black hole merger, marking the first time three detectors observe a signal. #physics #collaboration
GW170814: First Triple Detection By LIGO Scientific Collaboration and Virgo Collaboration - https://doi.org/10.1103/PhysRevLett.119.141101 (GW170814: A Three-Detector Observation of Gravitational Waves from a Binary Black Hole Coalescence, Abbott et al., Physical Review Letters) This plot was created with Matplotlib., CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=62823015
Aug 17, 2017 CE
GW170817: Neutron Star Merger
LIGO and Virgo detect gravitational waves from a neutron star merger, followed by electromagnetic observations, inaugurating multi-messenger astronomy. #astronomy #discovery
GW170817: Neutron Star Merger By LIGO Scientific Collaboration and Virgo Collaboration - https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.161101 This W3C-unspecified plot was created with Matplotlib., CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=63455773
Oct 3, 2017 CE
Nobel Prize for Gravitational Wave Detection
Rainer Weiss, Barry Barish, and Kip Thorne receive the Nobel Prize in Physics for decisive contributions to LIGO and the first detection of gravitational waves. #physics #award
Nobel Prize for Gravitational Wave Detection By Design of the medal: The Nobel Foundation. Sculptor and engraver: Erik Lindberg (1902). - Source of this work Photographer: David Monniaux (2005, 2006, 2007) Edited by: hidro 21:17, 28 July 2008 (UTC) Design of the medal: The Nobel Foundation. Sculptor and engraver: Erik Lindberg (1902)., Cc-by-sa-3.0, https://en.wikipedia.org/w/index.php?curid=18622921
2019 CE
KAGRA Construction Completed
Japan's KAGRA detector, a cryogenic underground interferometer, completes construction, adding a new capability to the global network. #physics #japan
KAGRA Construction Completed By Christopher Berry - http://cplberry.com/2015/07/26/whats-up-doc/, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=45370733
2020 CE
NANOGrav Evidence for Gravitational Wave Background
The NANOGrav collaboration reports evidence for a stochastic gravitational wave background using pulsar timing arrays. #astronomy #discovery
NANOGrav Evidence for Gravitational Wave Background By NANOGrav - https://nanograv.org/press/image-gallery (info about licence can be found here: https://nanograv.org/resources/press), CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=171055295
2021 CE
LIGO-India Approved
The Indian government approves the construction of LIGO-India, expanding the global detector network and enhancing localization capabilities. #physics #india
Multiple pulsar timing array collaborations (NANOGrav, EPTA, PPTA) announce evidence for the nanohertz gravitational wave background, likely from supermassive black hole binaries. #astronomy #discovery
Oct 23, 2023 CE
Taiji-1 Satellite Launched
China launches Taiji-1, a technology demonstration satellite for the Taiji space-based gravitational wave observatory. #space #china )
Jan 25, 2024 CE
LISA Mission Officially Adopted
The European Space Agency formally adopts the Laser Interferometer Space Antenna (LISA) mission, planning to launch in 2035 for space-based gravitational wave detection. #space #europe
LISA Mission Officially Adopted By NASA, Public domain, https://commons.wikimedia.org/w/index.php?curid=10372273
2024 CE
TianQin Project Advances
China's TianQin space-based gravitational wave observatory progresses through development, aiming to detect waves in the millihertz band. #space #china
TianQin Project Advances By Christopher Moore, Robert Cole and Christopher Berry - http://rhcole.com/apps/GWplotter/, CC BY-SA 1.0, https://commons.wikimedia.org/w/index.php?curid=32227462
