Obtaining useful work from random fluctuations in a system at thermal equilibrium has long been considered impossible. In fact, in the 1960s eminent American physicist Richard Feynman effectively shut down further inquiry ...
Nanomaterials
Aug 18, 2023
7
2667
Using cryo-electron tomography, researchers have uncovered details of how the dynein motor protein drives cilia to beat. Understanding this motion may help to tackle health problems that affect cilia, which range from fertility ...
Cell & Microbiology
Jun 21, 2023
0
68
Mechanics plays a fundamental role in cell biology. Cells navigate these mechanical forces to explore their environments and sense the behavior of surrounding living cells. The physical characteristics of a cell's environment ...
Bio & Medicine
Oct 27, 2022
0
341
Molecular motors are complex devices composed of many different parts that consume energy to perform various cellular activities. In short, molecular machines transform energy into useful work. Understanding the mechanistical ...
Biochemistry
Aug 26, 2022
0
43
This crystal lattice consists of a large number of unit cells with an identical atomic arrangement. In the elementary adiabatic picture, the motions of electrons in the crystal follow the motion of the atomic nuclei instantly, ...
Condensed Matter
Apr 1, 2022
0
207
In a recent publication in Science, researchers at the University of Paderborn and the Fritz Haber Institute Berlin demonstrated their ability to observe electrons' movements during a chemical reaction. Researchers have long ...
Condensed Matter
Dec 27, 2018
3
3414
A powerful engine roils deep beneath our feet, converting energy in the Earth's core into magnetic fields that shield us from the solar wind. Similar engines drive the magnetic activity of the sun, other stars and even other ...
General Physics
Oct 29, 2018
0
106
One of the most enduring "Holy Grail" experiments in science has been attempts to directly observe atomic motions during structural changes. This prospect underpins the entire field of chemistry because a chemical process ...
Optics & Photonics
Oct 9, 2018
1
147
A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high-energy photons ...
Optics & Photonics
Feb 27, 2018
4
110
If you've ever been captivated by slow-motion footage on a wildlife documentary, or you've shuddered when similar technology is used to replay highlights from a boxing match, you'll know how impressive advancements in ultra-fast ...
General Physics
Nov 16, 2015
0
744
