Ethan SiegelinStarts With A Bang!Does light itself truly have an infinite lifetime?In all the Universe, only a few particles are eternally stable. The photon, the quantum of light, has an infinite lifetime. Or does it?·12 min read·17 hours ago--2--2
Ethan SiegelinStarts With A Bang!No, the expanding Universe doesn’t break the speed of lightYes, the Universe is expanding, but if you’ve ever wondered, “How fast is it expanding,” the answer isn’t in terms of a speed at all.·10 min read·1 day ago--2--2
Ethan SiegelinStarts With A Bang!The consequences of traveling in a straight line foreverIs the Universe finite or infinite? Does it go on forever or loop back on itself? Here’s what would happen if you traveled forever.·10 min read·4 days ago--9--9
Ethan SiegelinStarts With A Bang!The physical reason behind quantum uncertaintyNo matter how good our measurement devices get, certain quantum properties always possess an inherent uncertainty. Can we figure out why?·10 min read·5 days ago--6--6
Ethan SiegelinStarts With A Bang!Why humanity must invest in exploring the UniverseThere are so many problems, all across planet Earth, that harm and threaten humanity. Why invest in researching the Universe?·10 min read·6 days ago--11--11
Ethan SiegelinStarts With A Bang!The compelling case for axions as our dark matterThe majority of the matter in our Universe isn’t made of any of the particles in the Standard Model. Could the axion save the day?·11 min read·Apr 16, 2024--6--6
Ethan SiegelinStarts With A Bang!How we know the Universe is 13.8 billion years oldThe Universe is 13.8 billion years old, going back to the hot Big Bang. But was that truly the beginning, and is that truly its age?·10 min read·Apr 15, 2024--7--7
Ethan SiegelinStarts With A Bang!Starts With A Bang podcast #104 — The magnetized galactic centerThe center of the galaxy doesn’t just host stars and a black hole, but an enormous set of rich gassy and dusty features. Find out more!·2 min read·Apr 13, 2024----
Ethan SiegelinStarts With A Bang!What was it like when human beings transformed the Earth?Although human beings arrived on Earth just ~300,000 years ago, we’ve transformed the entire planet completely. Here’s how we did it.·12 min read·Apr 12, 2024--7--7
Ethan SiegelinStarts With A Bang!What was it like when humans first arose on planet Earth?Despite billions of years of life on Earth, humans first arose only ~300,000 years ago. It took all that time to make our arrival possible.·10 min read·Apr 11, 2024--14--14