Timeline for Why is it said that light can travel through empty space?
Current License: CC BY-SA 4.0
3 events
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| Feb 16, 2021 at 15:09 | comment | added | cowlinator | Matter is any particle (or combination of particles) that act as if it has both rest mass and volume. Non-matter would be everything else, including massless particles such as photons, or other energy phenomena or waves such as light, or quantum fields, or quantum foam. Basically, non-matter is usually synonymous with energy. | |
| Feb 13, 2021 at 20:44 | comment | added | my2cts | What is non-matter? You do have a point.The term "empty space" should be defined in the discussion. | |
| Feb 11, 2021 at 21:45 | history | answered | cowlinator | CC BY-SA 4.0 |