MatSci-SAMCompare exact published wording and inspect when definitions, revisions, comments, and voting acts were recorded.
Each mark is one recorded act. Select a publication or revision to inspect its wording below.
Showing 12 recorded events for all 3 definitions.
Exact recorded times are retained; the axis is labelled in UTC. Event types are not combined into a weighted activity or impact score.
Definition 3, revision 1 · Oct 20, 2025, 8:34 PM UTC
This is the first recorded text for this definition.
Select two current candidates to see their exact wording differences. Removed text belongs to the first selection; added text belongs to the second.
Compared with Definition 1, revision 1, reading from the first selection to the second.
The Removed: energy needed to pass over an energy barrier of some sort, often for atomic movement or a chemical reactionAdded: minimum energy required for a chemical reaction to proceed from reactants to products.
The magnitude runs from 0 for unchanged text to 1 for complete replacement. It measures definition wording only—not authorship, quality, or community impact.
The same events as the plot, newest first, with exact UTC times and links to the revision each act concerned.
| Time | Definition | Event | Detail |
|---|---|---|---|
| Sep 10, 2026, 4:29 PM UTC | Definition 2 · revision 1 | Vote act | Upvote recorded |
| Sep 8, 2026, 7:23 PM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded |
| Sep 8, 2026, 4:21 PM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded |
| Sep 8, 2026, 4:21 PM UTC | Definition 1 · revision 1 | Vote act | Vote withdrawn |
| Sep 8, 2026, 4:11 PM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded |
| Oct 20, 2025, 8:39 PM UTC | Definition 2 · revision 1 | Comment | A more accurate definition would include the requirements for a reaction to occur, such as defining what the minimum that needs be overcome for a reaction to occur actually is, including details about the differences in free energy and how that can relate to changes in entropy and enthalpy.Legacy association inferred |
| Oct 20, 2025, 8:34 PM UTC | Definition 3 · revision 1 | Publication | Initial revision |
| Sep 17, 2025, 7:12 AM UTC | Definition 2 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Sep 17, 2025, 7:12 AM UTC | Definition 2 · revision 1 | Publication | AI-generated revision |
| Sep 17, 2025, 7:12 AM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Sep 17, 2025, 7:12 AM UTC | Definition 1 · revision 1 | Vote act | Upvote recorded; imported historical actLegacy association inferred |
| Sep 17, 2025, 7:12 AM UTC | Definition 1 · revision 1 | Publication | Initial revision |