The phrase refers to the action of acquiring, in electronic publication format specifically formatted for EPUB readers, literature that discusses a theoretical form of matter. EPUB is a widely supported file format suitable for various e-readers and reading applications. An example is searching online for a specific title relating to the cosmos’ hidden mass available as an EPUB file for offline reading.
The availability of digital books on this topic is significant because it democratizes access to complex scientific information. It allows enthusiasts and researchers alike to explore the subject matter at their own pace and convenience. Historically, scientific literature was often confined to academic institutions and libraries, making it less accessible to the general public. The current digital distribution model overcomes many of these barriers.