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Why the alchemists couldn't build rockets — LessWrong
2+ hour, 44+ min ago People sometimes ask why theory is so important, and recently I've been reading John D. Clark's wonderful book Ignition!: An Informal History of Liquid Rocket Propellants, and I've started thinking rocketry and chemistry provide a good example. Chemistry turned manufacturing new…...
Dr. Rigoberto Advincula on Advancing Polymer Research With Py-GC/MS | LCGC International
3+ hour, 59+ min ago Rigoberto Advincula, PhD, of The University of Tennessee, Knoxville, explains how pyrolysis combined with GC/MS and AI-driven analysis advance polymer characterization, optimize composites, and support innovation in 3D printing and product development. Sponsored by Frontier Laboratories, Ltd. Rigoberto Advincula, PhD,…...
Batteries lose charge when they 'breathe"
4+ hour, 40+ min ago Researchers have identified a key reason why the batteries used to power everything from smartphones to electric vehicles deteriorate over time. The work is a critical step toward building faster, more reliable, and longer-lasting batteries. The findings shed new light…...
Amino-acid-based milling produces conductive graphene with low waste
6+ hour, 1+ min ago A solvent-free milling process inserts nitrogen into graphene while keeping it conductive and stable in common solvents. Graphene has dazzled scientists for years with its extreme strength, thinness, and ability to carry electrical current with almost no resistance. However, outside…...
Goodbye to concrete as we know it: welcome to living bricks that repair themselves
6+ hour, 17+ min ago Home - Energy - Goodbye to concrete as we know it: welcome to living bricks that repair themselves Imagine a house whose walls could quietly mend tiny cracks before you ever notice them. That idea just moved a little closer to reality…...
How UV LED Technology Is Transforming Disinfection and Industrial Curing
6+ hour, 52+ min ago The ultraviolet light-emitting diode industry is entering a phase of accelerated commercialization as industries worldwide transition toward energy-efficient, mercury-free lighting solutions. UV LEDs are increasingly replacing traditional ultraviolet lamps due to their compact size, lower power consumption, longer operational life,…...
Quantum Monte Carlo Library Achieves Highly Accurate Electronic Structure Calculations
10+ hour, 57+ min ago This research delivers a new software library, QMCkl, that significantly accelerates electronic structure calculations by providing portable, high-performance computational building blocks for a range of scientific applications, ensuring consistent and reproducible results across different computer systems. https://quantumzeitgeist.com/wp-content/uploads/Image_fx-94-3.jpg Quantum Monte Carlo…...
US-based scientist Valery Fokin wins Vyzov Prize, beating fierce Chinese rivals
19+ hour, 9+ min ago USC chemistry professor is awarded one of Russia's top science honours, topping competition from 40 countries A US-based chemist has been awarded one of Russia's top science honours, prevailing over a competitive field of applicants from 40 nations, including some of the…...
This stretchable invisibility cloak hides objects even as they move
22+ hour, 40+ min ago In the Harry Potter stories, an invisibility cloak can hide a person even while they walk, bend, or run. In the real world, scientists have long dreamed of creating something similar'materials that can hide objects from detection without being stiff…...
1+ day, 26+ min ago NASA astronaut Don Pettit demonstrates electrostatic forces using charged water droplets and a knitting needle made of Teflon. This series of overlapping frames from Feb. 19, 2025, displays the unique attraction-repulsion properties of Teflon and charged droplets, similar to how charged particles…...