Physics
Date : March 21, 2022
Source : Phys.org
Four types of matter are known today, solid, liquid, gazeous and plasma. A fifth type of matter could have been identified through experiment : INFORMATION, described as the fundamental building block of the Universe, and it may have mass ! Physicist Dr. Melvin Vopson suggested that information has mass and that all elementary particles store information about themselves.
Read more on Phys.org
and the scientific paper on AIP Publishing