InStarts With A Bang!byEthan Siegel·3d agoAsk Ethan: How did atoms come to be?From a primordial soup of particles, atoms eventually emerged. What happened to make it so, and could things have worked out any other way?A response icon12
InStarts With A Bang!byEthan Siegel·4d agoDo gravitational waves show evidence of wave-particle duality?All matter particles can act as waves, and massless light waves show particle-like behavior. Can gravitational waves also be particle-like?A response icon9
InClassroombyLiena Dreams·6d agoI Wanted to See the Universe Expanding.The story of cosmic redshift and my attempt to measure it with amateur equipment using the quasar 3C 273.A response icon6
InStarts With A Bang!byEthan Siegel·6d agoOne blip isn’t enough to declare “dark matter has been detected”In 1982, an experiment showed unprecedented evidence for exotic matter: magnetic monopoles. But without reproducibility, it didn’t hold up.A response icon9
InStarts With A Bang!byEthan Siegel·Sep 18Ask Ethan: Do white holes, the opposite of black holes, physically exist?In general relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?A response icon19
The Opinion Board·Aug 28A Space Expert Says Everything You Believe Is WrongFive physics myths — built by Hollywood, ignored by educators, and repeated by policymakers — are quietly making the public incapable of…A response icon86
InStarts With A Bang!byEthan Siegel·3d agoAsk Ethan: How did atoms come to be?From a primordial soup of particles, atoms eventually emerged. What happened to make it so, and could things have worked out any other way?A response icon12
Avi Loeb·3d agoFirst Radio Signal from an Exoplanet Has Nothing to Do with AliensThe traditional approach in the search for extraterrestrial intelligence (SETI) is to seek a radio signal from an exoplanet in the…A response icon13
Avi Loeb·2d agoAlien Adventures During the Texas Tribune Festival in AustinJust after sunrise today in Austin, Texas, I woke up to the pinging sound of my laptop, as the investigative reporter Ilan Greenberg sent…A response icon15
InPredictbyNov Tech·5d agoSpaceX Caught Three Boosters With Two Arms. Flight 14 Won’t Even Try.Three successful booster catches, a port being dredged to fit the world’s largest rocket, and a flight that won’t use any of it. Here’s…A response icon5
TORAF | Polish Seed Producer·Just nowSeeds in Space Research: What Happens to Seeds After a Rocket Flight?A seed laboratory perspective on germination, control samples and the TORAF Seed Mission aboard the PERUN research rocket
Wayne Fang·1h agoOne Engine Shut Down. They Kept Flying Anyway.What SpaceX’s Starship Flight 14 reveals about two very different ways of thinking about failure.
Kvcai·1h agoTHE FIRST QUESTIONA short philosophical story about consciousness, meaning, and the boundary we cannot see beyond
Rabi Raja·2h agoI Thought Stars Were Yellow. Then I Learned They Can Be Red, Orange, White, or Blue, But Why? ⭐Today is 28 Sep, and it’s my sister’s birthday. My dad always celebrates our birthdays very well. We are those sorts of people who enjoy…A response icon3
