Low-threshold lasing from colloidal quantum dots under quasi-continuous-wave excitation
Chemicals Cadmium oxide (CdO, 99.5%, trace metals basis), zinc acetate 99.99%, trace metals basis), oleylamine (70%, technical grade),…
Why Is Its Black Hole So Quiet?
In one of the most fascinating globular clusters in the Milky Way, Omega Centauri, astronomers have long suspected…
Comet 3I/ATLAS Is Experiencing A Non-Gravitational Acceleration. Here’s What To Know
Interstellar comet 3I/ATLAS was discovered just five and a half months ago, and in that time has taken…
Fusion and fission of particle-like chiral nematic vortex knots
Materials and sample preparation The chiral LC mixture used was prepared from 4-cyano-4′-pentylbiphenyl (5CB, EM Chemicals), doped with…
How are dark matter and antimatter different?
Curious Kids is a series for children of all ages. If you have a question you’d like an…
First coil ready to face deep-space cold
Toroidal field coils have already experienced extreme cold. Once finalized, in Japan or in Europe, most of them…
As 2025 ends, the Standard Model still hasn’t cracked
Sign up for the Starts With a Bang newsletter Travel the universe with Dr. Ethan Siegel as he…
Plasma Turbulence Is Doing Surprising Things Inside Fusion Reactors
The interiors of fusion reactors can get seriously chaotic. But for obvious reasons—like extreme temperatures and pressures—researchers aren’t…
Over 100 Years Later, Ramanujan’s Unexpected Formulas Are Still Unraveling The Mysteries Of The Universe
There are few things more pleasing to your average mathematician than when a result surprises you. Take e,…
New breakthrough in detecting “ghost particles” from the Sun
Neutrinos are one of the most mysterious particles in the universe, often called “ghost particles” because they rarely…
Hidden dimensions could explain where mass comes from
The geometry of space itself may play a far more central role in physics than previously thought. Instead…
High-Tech ‘Bubble Wrap’ Lets You Hold Fire Without Getting Burned
Buildings can leak a lot of heat. Scientists think the remedy might come in the form of fireproof,…