Talk:Speed: Difference between revisions
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New page: Stargate may be an optical illusion, so why not just say so rather than deleting its mention? Superluminal velocities can occur in agars; this is analogous to group velocity vs. phase velo... |
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Stargate may be an optical illusion, so why not just say so rather than deleting its mention? Superluminal velocities can occur in agars; this is analogous to group velocity vs. phase velocity in optics. The effect is real enough, so the only thing required is a careful description. | Stargate may be an optical illusion, so why not just say so rather than deleting its mention? Superluminal velocities can occur in agars; this is analogous to group velocity vs. phase velocity in optics. The effect is real enough, so the only thing required is a careful description. | ||
: I've added "in a vacuum" to the end of that sentence to hopefully make it precise enough. We could probably use a note saying something along the lines of "the speed of light does not apply if the object is travelling through an agar" and then list some fun examples. [[User:Nathaniel|Nathaniel]] 19:42, 14 March 2010 (UTC) | |||
Revision as of 19:42, 14 March 2010
Stargate may be an optical illusion, so why not just say so rather than deleting its mention? Superluminal velocities can occur in agars; this is analogous to group velocity vs. phase velocity in optics. The effect is real enough, so the only thing required is a careful description.
- I've added "in a vacuum" to the end of that sentence to hopefully make it precise enough. We could probably use a note saying something along the lines of "the speed of light does not apply if the object is travelling through an agar" and then list some fun examples. Nathaniel 19:42, 14 March 2010 (UTC)