antimatter: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: Princeton University - Antimatter (PDF). | Oct 13, 2026 | ||
| Add new Web site: Khan Academy - Antimatter. | Aug 17, 2026 | ||
| Article revised and updated. | Oct 28, 2025 | ||
| Add new Web site: American Chemical Society - Antimatter (PDF). | Sep 11, 2025 | ||
| Add new Web site: Princeton University - Antimatter (PDF). | May 16, 2025 | ||
| Add new Web site: Penn State University - Probing Question: What is antimatter and why does it matter? | Mar 30, 2025 | ||
| Add new Web site: Nature - Observation of the effect of gravity on the motion of antimatter. | Feb 15, 2025 | ||
| Add new Web site: IOPscience - Journal of Physics: Conference Series - Antimatter and Its Application-Collecting Antimatter and Storage It as Energy Source. | Dec 19, 2024 | ||
| Add new Web site: Space.com - The Mystery of Antimatter. | Aug 12, 2024 | ||
| Add new Web site: The University of Chicago Press Journals - Antimatter. | May 25, 2024 | ||
| Add new Web site: BBC News - Antimatter: Scientists freeze positronium atoms with lasers. | Feb 27, 2024 | ||
| Add new Web site: Energy.gov - DOE Explains...Antimatter. | Dec 06, 2023 | ||
| Add new Web site: Energy Wave Theory - What is Antimatter? | Jun 22, 2023 | ||
| Add new Web site: LiveScience - What is antimatter? | May 10, 2023 | ||
| Add new Web site: The Encyclopedia of Science Fiction - Antimatter. | Mar 31, 2023 | ||
| Add new Web site: Physics LibreTexts - Antimatter. | Aug 31, 2022 | ||
| Media added. | Jun 02, 2021 | ||
| Added video explaining antimatter. | Nov 24, 2015 | ||
| Add new Web site: Lawrence Berkeley National Laboratory - Antimatter. | Sep 22, 2011 | ||
| Add new Web site: ThinkQuest - Antimatter. | Sep 22, 2011 | ||
| Add new Web site: Wolfram Research - Antimatter. | Sep 22, 2011 | ||
| Add new Web site: How Stuff Works - Entertainment - Antimatter. | Sep 22, 2011 | ||
| Lifetime of antihydrogen produced at CERN updated from "0.1 second" to "1,000 seconds." | Jul 05, 2011 | ||
| Added information about antihelium-4. | May 02, 2011 | ||
| CERN has produced antihydrogen that lasts 0.1 second. | Nov 18, 2010 | ||
| Updated with information about production of antihydrogen at CERN. | Jul 13, 2010 | ||
| Material about CP violation in B-mesons added. | May 21, 2010 | ||
| handled for the cross-ref removal 11 cluster | Mar 13, 2009 | ||
| Article revised and updated. | Jul 20, 2006 | ||
| Article added to new online database. | Jul 20, 1998 |
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