HeyJaredBrian Koberlein
- Indexed articles, last 90 days
- 12
- Latest publication
- Sep 29, 2026
- Outlet visibility, for Phys.org
- Top 50K sites
- Earliest in this view
- Jul 20, 2026
Latest articles
A New Test Looks For A Subtle Twist In Ancient Light (opens the original)
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We are bathed in light from the ancient cosmos. It began its journey when the Universe finally cooled enough to be transparent, and it has traveled for more than 13 billion years to reach us. We call it the cosmic microwave background (CMB), and it has much to tell us. One of the more subtle bits encoded in the cosmic background is polarization. When the Universe became optically transparent around 380,000 years after the Big Bang, those old photons had one last scatter off a hydrogen atom befor
When It Comes To Burping Jets, Supermassive Black Holes and Stellar-Mass Black Holes Have The Same Table Manners (opens the original)
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The easiest way to find a black hole is to look for its jets. These trails of ionized gas stream away from a black hole at near light speed. They form when a black hole consumes matter and forms an accretion disk of hot plasma. Inactive black holes don't produce jets, making them harder to discover. But just how active does a black hole need to be for jets to form? This is the focus of a new study in Nature Astrophysics. Stellar-mass black holes are usually active because of a companion star. If
To Understand The Solar Cycle, Notice How The Sun Sleeps (opens the original)
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The Sun is such a constant in our lives that it can be difficult to imagine our star ever changing. But the Sun can be quite variable. There are times when its magnetic field is turbulent and generates many sunspots and other times when it is quiet and dormant. Since the 1800s we've known that these active and passive periods follow an 11-year pattern known as the solar cycle. But even after centuries of observation, we still have a difficult time predicting exactly when solar maximum will be an
Little Red Dots Are The Seeds of Quasars and Supermassive Black Holes (opens the original)
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When the James Webb Space Telescope (JWST) first looked at the darkest regions of the sky, it was able to see objects fainter and more distant than ever before. It revealed a few surprises about the early cosmos, and one of them was the discovery of Little Red Dots (LRDs). LRDs are reddish, point-like objects seen when the Universe was only a billion years old. Astronomers had no idea what they were. The obvious idea is that they must be young and powerful active black holes. Perhaps the seeds o
If Alien Civilizations Use Hyper-Efficient Computers, They Will Have A Distinct Energy Signal We Can Detect (opens the original)
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Love it or hate it, Artificial Intelligence (AI) is likely here to stay. Its ravenous need for computational power has overwhelmed chip manufacturers and power companies alike. While our current AI obsession is likely a bubble ready to burst, we won't simply stop using computers. Since their first invention, computers have continued to grow more powerful, and our civilization has grown ever more dependent upon them. Computation defines our civilization. Perhaps computational power is what define
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