Planck’s constant: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: Chemistry LibreTexts - Measurement of Planck's Constant (Experiment). | Sep 23, 2026 | ||
| Add new Web site: OpenStax - Physics - Planck and Quantum Nature of Light. | Oct 02, 2025 | ||
| Add new Web site: OpenStax - Physics - Planck and Quantum Nature of Light. | Oct 02, 2025 | ||
| Add new Web site: CORE - Determination of Plancks Constant using Light Emitting Diodes (PDF). | Aug 08, 2025 | ||
| Add new Web site: Space.com - 'Stranger Things' Science: What If You Needed to Know Planck's Constant to Save the World? | May 13, 2025 | ||
| Questions and answers added. | Mar 21, 2025 | ||
| Add new Web site: CiteSeerX - Hierarchy of Planck Constants and Dark Matter Hierarchy (PDF). | Feb 12, 2025 | ||
| Add new Web site: Harvard University - Harvard Natural Sciences Lecture Demonstrations - Planck's Constant Determination. | Dec 21, 2024 | ||
| Add new Web site: IOPscience - Journal of Physics: Conference Series - Determination of Planck�s Constant Using the Photoelectric Effect Experiment. | Oct 24, 2024 | ||
| Add new Web site: San Jos� State University - The magnitude of Planck's Constant and its significance. | Jun 20, 2024 | ||
| Add new Web site: Lancaster University - Planck's Constant. | Mar 29, 2024 | ||
| Add new Web site: National Institute of Standards and Technology - The Planck Constant. | Dec 05, 2023 | ||
| Add new Web site: Chemistry Libretexts - Planck's Quantum Theory. | Jun 23, 2023 | ||
| Removed media. | Aug 17, 2021 | ||
| Media added. | Jun 01, 2021 | ||
| Article revised and updated. | Dec 12, 2019 | ||
| Corrected display issue. | Sep 21, 2018 | ||
| Add new Web site: Public Broadcasting Corporation - NOVA - Planck's Constant: The Number That Rules Technology, Reality, and Life. | Apr 25, 2016 | ||
| Add new Web site: Kansas State University - Measurement of Planck�s constant through Black Body Radiation Analysis. | Apr 25, 2016 | ||
| Add new Web site: Wolfram Research - Eric Weisstein's World of Physics - Planck's Constant. | Apr 25, 2016 | ||
| Add new Web site: Swinburn University of Technology - Planck's Constant. | Apr 25, 2016 | ||
| Updated the value of Planck's constant and its uncertainty. | Mar 11, 2016 | ||
| Added video about Planck's constant. | Mar 11, 2016 | ||
| Add new Web site: Massachusetts Institute of Technology - Determination of Planck�s Constant Using the Photoelectri c Effect. | Sep 17, 2015 | ||
| Add new Web site: S�o Carlos Institute of Physics - Experimental Determination of Planck's Constant. | Sep 17, 2015 | ||
| Added video. | Dec 05, 2014 | ||
| Material about h-bar expanded. |
|
Sep 25, 2012 | |
| Value of Planck's constant updated from "6.62606896 × 10^−34 joule∙second" to "6.62606957 × 10^−34 joule∙second." | Sep 07, 2011 | ||
| Changed value of Planck's constant from 6.6260693 x 10^-34 to 6.62606896 x 10^-34 and uncertainty from 0.0000011 x 10^-34 to 0.00000033 x 10^-34. | Aug 11, 2010 | ||
| Added new Web site: University of Oregon - Planck's Constant. | May 13, 2008 | ||
| Added new Web site: Swinburne University in Melbourne Australia - Planck's Constant. | May 13, 2008 | ||
| Added new Web site: University of Colorado at Boulder - Planck Constant and the number PI. | May 13, 2008 | ||
| Added new Web site: Physics, Spaceflight and the Earth's Magnetism - Planck's constant. | May 13, 2008 | ||
| Added new Web site: Harvard University - Planck's Constant. | May 13, 2008 | ||
| Added new Web site: WritWord - Planck's Constant. | May 13, 2008 | ||
| Article revised and updated. | May 18, 2006 | ||
| Article revised. | Jan 11, 1999 | ||
| Article added to new online database. | Jul 20, 1998 |
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