by Gary S. Berger | Sep 1, 2024 | Original Essay
Illustration of cosmic winds emanating from a quasar’s black hole accretion disk.Credit: NASA/CXC/M. Weiss, Catherine Grier and the SDSS collaboration. Albert Einstein published his general theory of relativity in 1915, which described gravity as the effect of mass...
by Gary S. Berger | Aug 17, 2024 | Original Essay
First Direct Image of a Black Hole Black holes are regions of spacetime where gravity is so intense that nothing can escape, not even light. The boundary where the curvature of spacetime inevitably leads into the black hole is known as the event horizon. Our knowledge...
by Gary S. Berger | Aug 6, 2024 | Original Essay
In May 2024, astronomers observed a “waterfall” region of space where light and matter plunge irrevocably into the abyss of a black hole. General relativity theory states that when particles are close enough to a black hole, they cannot follow circular orbits and...
by Gary S. Berger | Jul 30, 2024 | Original Essay
Time is a fundamental concept in physics intertwined with our understanding of the universe and its workings. Our understanding of this fundamental concept remains incomplete. The Classical Notion of Time In classical physics, time was viewed as an absolute and...
by Gary S. Berger | Jul 10, 2024 | Original Essay
“What is time then? If nobody asks me, I know; but if I were desirous to explain it to one that should ask me, plainly I do not know.” ― St. Augustine Time is a fundamental concept that permeates every aspect of our existence, yet it remains one of the most elusive...
by Gary S. Berger | Jun 30, 2024 | Original Essay
Einstein photograph signed and dated 1955Image reproduced from EINSTEIN: THE MAN AND HIS MIND, page 193. “For us physicists, the distinction between past, present, and future is only a stubbornly persistent illusion.” Albert Einstein, 1955. One month...
