Since WritersCube’s tech was brought up, here is a link to how it works in his own words: clicky.
If you guys want more info on time stretching in dreams, there are a few other discussions on this topic that can be found
here
here
also here
here too
And a bigger one here
I was able to pull all those up by going to the forum search (not the google search in the top corner), selecting Lucid Adventures and General Lucid and searching for “stretching time” and “extending time” 