The Maxwell Conjecture is False

On Aug. 12, I get to fulfil a lifelong ambition. I’ll take a flight to Madrid and travel northwest to the city of Valladolid by rail, before striking out for Valoria la Buena — a charming town in central Spain with a population of less than 1,000. There, I’ll bear witness to one of the…

https://preview.redd.it/60a3bqb0v8dh1.png?width=544&format=png&auto=webp&s=00f6e73bdc000a3ee19ff4509ec7ab0d5e69e737 I know M⊙ means solar mass (x * the mass of our sun) but what does that M with a little star mean? Paper: Morpho-kinematic of galaxies at cosmic noon submitted by /u/Raeinnn [comments]

Made an animation to show why rockets need stages. submitted by /u/Nomadic_Seth [comments]

i’m curious if anyone has any guesses as to what kind of suspension/solution this could be. not a lot to go off of, but basically we’re doing lab cleanup today and we had something stored in the freezer that was unlabelled. all we know is that it came from another lab at my university (classic)….

Researchers are trying to make human sperm (shown here in a colourized electron microscope image) from stem cells in the lab.Credit: Juergen Berger/Science Photo Library It sounds like science fiction: collecting a person’s blood cells, engineering them so they eventually transform into immature sperm, and then incubating them in a tiny pouch grown on a…

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. Since grade school,…