luckylemon··on Video: At one trillion frames per second, you can see light moveOK, will do in future. Thanks for pointing me to the rule.
luckylemon··on Video: At one trillion frames per second, you can see light moveI just happened to see it on that blog, and wanted to quote its phrasing (which doesn't appear on the video's own page as far as I can see). Sometimes a sentence adds a lot.