Light i.e. space is the structure of time the essence of existence. The stuff of physics does not involve time. Orthodox contemporary physics sadly refers to this fact as the problem of time.

Advertising Disclosure: Please note that many links to retailers are affiliate links, which yields a commission for us. allauthor.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon sites.