Physics
We summarize the week's scientific breakthroughs every Thursday.
- Plants
A leaf’s geometry determines whether it falls far from its tree
Shape and symmetry help determine where a leaf lands — and if the tree it came from can recoup the leaf’s carbon as it decomposes.
- Health & Medicine
Lining medical stents with hairlike fuzz could fend off infections
Implanted tubes that transport bodily fluids can get gross. A lab prototype suggests a new vibration-based way to keep them clean and prevent infection.
- Physics
Physicists explain how cheese rosettes form
Rosettes made by scraping Tête de Moine, or “monk’s head,” cheese result from variations in the friction between the blade and the cheese.
- Physics
Here’s how we might generate electricity from rain
Water drops produce electricity when dripped through a small tube. That power might be harnessed as renewable energy in rainy places.
- Physics
Imitation dark matter axions have arrived. They could reveal the real thing
A long-elusive, hypothetical subatomic particle called the axion can be simulated and potentially detected in a type of thin material.
- Particle Physics
Neutrinos’ maximum possible mass shrinks further
The KATRIN experiment in Germany nearly halved the maximum possible mass for neutrinos, setting it at 0.45 electron volts.
- Particle Physics
Physicists have confirmed a new mismatch between matter and antimatter
Charge-parity violation is thought to explain why there’s more matter than antimatter in the universe. Scientists just spotted it in a new place.
- Quantum Physics
Physicists are mostly unconvinced by Microsoft’s new topological quantum chip
Majorana qubits could be error resistant. But after a contentious talk at the Global Physics Summit, scientists aren’t convinced Microsoft has them.
- Physics
Calls to restart nuclear weapons tests stir dismay and debate among scientists
Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.
- Quantum Physics
A quantum computing milestone is immediately challenged by a supercomputer
A quantum processor solved a problem in 20 minutes that would take a supercomputer millions of years. A supercomputer then did a part of it in about 2 hours.
- Math
The einstein tile rocked mathematics. Meet its molecular cousin
Chemists identify a single molecule that naturally tiles in nonrepeating patterns, which could help build materials with novel electronic properties.
- Physics
The sound of clapping, explained by physics
The “Helmholtz resonator” concept explains the frequencies of sound produced by clapping the hands together in different configurations.
