Ethan SiegelinStarts With A Bang!The big idea that our Universe is a hologramHolograms preserve all of an object’s 3D information, but on a 2D surface. Could the holographic Universe idea lead us to higher…·10 min read·1 hour ago----
Ethan SiegelinStarts With A Bang!Black holes are common. So where are the white holes?In General Relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?·11 min read·1 day ago--5--5
Ethan SiegelinStarts With A Bang!The scientific story behind the timeline of our UniverseFrom the earliest stages of the hot Big Bang (and even before) to our dark energy-dominated present, how and when did the Universe grow up?·12 min read·2 days ago--8--8
Ethan SiegelinStarts With A Bang!Can the known particles and interactions explain consciousness?At a fundamental level, only a few particles and forces govern all of reality. How do their combinations create human consciousness?·11 min read·3 days ago--15--15
Ethan SiegelinStarts With A Bang!No matter how you interpret the data, dark energy remainsDark energy is one of the biggest mysteries in all the Universe. Is there any way to avoid “having to live with it?”·11 min read·4 days ago--10--10
Ethan SiegelinStarts With A Bang!How the cosmic microwave background proves the Big BangIn the 20th century, many options abounded as to our cosmic origins. Today, only the Big Bang survives, thanks to this critical evidence.·11 min read·May 3, 2024--9--9
Ethan SiegelinStarts With A Bang!The better way to measure cosmic timeFor some reason, when we talk about the age of stars, galaxies, and the Universe, we use “years” to measure time. Can we do better?·12 min read·May 2, 2024--5--5
Ethan SiegelinStarts With A Bang!The Universe might never run out of hydrogenThe most common element in the Universe, vital for forming new stars, is hydrogen. But there’s a finite amount of it; what if we run out?·10 min read·May 1, 2024--2--2
Ethan SiegelinStarts With A Bang!The unsurprising non-detection of intelligent aliensLife arose on Earth very early on. After a few billion years, here we are: intelligent and technologically advanced. Where’s everyone else?·12 min read·Apr 30, 2024--18--18
Ethan SiegelinStarts With A Bang!If photons have mass, could they explain dark matter?Our Universe requires dark matter in order to make sense of things, astrophysically. Could massive photons do the trick?·10 min read·Apr 29, 2024--6--6