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
Radiative heat transfer is a ubiquitous physical process in our universe. Any object with a temperature above absolute zero exchanges thermal energy with the environment. In physics, thermal emission originates from electromagnetic ...
Optics & Photonics
Dec 2, 2022
0
19
Deck the halls with space-based bubbles!
Space Exploration
Dec 23, 2020
1
7
More than 24 million people worldwide suffer from neurodegenerative diseases such as Alzheimer's, Parkinson's or Huntington's. The molecular causes of these diseases have so far been little investigated. A team of scientists ...
Biochemistry
Jun 26, 2019
0
84
A team of physicists from RUDN, JINR (Dubna), and the University of Hamburg (Germany) developed a mathematical model for describing physical processes in hybrid systems that consists of atoms and ions cooled down to temperatures ...
General Physics
Sep 13, 2018
0
538
With its suspended metallic spheres that clack back and forth, Newton's cradle is more than a popular desktop plaything. It has taught a generation of students about conservation of momentum and energy. It is also the inspiration ...
Quantum Physics
May 2, 2018
0
36
Scientists at The University of Texas at Austin have demonstrated a method for making three-dimensional images of structures in biological material under natural conditions at a much higher resolution than other existing ...
Nanophysics
Sep 6, 2016
0
1422
EPFL scientists have used feedback to cool the motion of a micron-sized glass string to near absolute zero. This required building a sensor capable of resolving the smallest vibration allowed by quantum mechanics.
Quantum Physics
Aug 11, 2015
1
52
Nanopores may one day lead a revolution in DNA sequencing. By sliding DNA molecules one at a time through tiny holes in a thin membrane, it may be possible to decode long stretches of DNA at lightning speeds. Scientists, ...
Bio & Medicine
Jun 16, 2014
0
0
Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechanical ...
Cell & Microbiology
Apr 19, 2013
0
0
