Light of different colors travels at different speeds in different materials and structures. This is why we see white light split into its constituent colors after refracting through a prism, a phenomenon called dispersion. ...
Optics & Photonics
Oct 3, 2018
5
680
A new study from Columbia Engineering and Harvard identified the critical physiological importance of suitable temperatures for butterfly wings to function properly, and discovered that the insects exquisitely regulate their ...
Plants & Animals
Jan 28, 2020
0
2619
The flow of granular materials, such as sand and catalytic particles used in chemical reactors, explains a wide range of natural phenomena, from mudslides to volcanos, and enables a broad array of industrial processes, from ...
General Physics
Apr 22, 2019
6
1039
Under the direction of Latha Venkataraman, associate professor of applied physics at Columbia Engineering, researchers have designed a new technique to create a single-molecule diode, and, in doing so, they have developed ...
Nanophysics
May 25, 2015
6
5949
Led by Young Duck Kim, a postdoctoral research scientist in James Hone's group at Columbia Engineering, a team of scientists from Columbia, Seoul National University (SNU), and Korea Research Institute of Standards and Science ...
Nanomaterials
Jun 15, 2015
13
9075
A team led by Cory Dean, assistant professor of physics at Columbia University, Avik Ghosh, professor of electrical and computer engineering at the University of Virginia, and James Hone, Wang Fong-Jen Professor of Mechanical ...
Nanophysics
Oct 5, 2016
1
3
Over the past several decades, researchers have moved from using electric currents to manipulating light waves in the near-infrared range for telecommunications applications such as high-speed 5G networks, biosensors on a ...
Optics & Photonics
Nov 22, 2021
0
174
Yuan Yang, assistant professor of materials science and engineering at Columbia Engineering, has developed a new method to increase the energy density of lithium (Li-ion) batteries. He has built a trilayer structure that ...
Nanophysics
Oct 24, 2016
1
658
October 5, 2017—A team led by Cory Dean, assistant professor of physics at Columbia University, and James Hone, Wang Fong-Jen Professor of Mechanical Engineering at Columbia Engineering, has definitively observed an intensely ...
Nanophysics
Oct 6, 2017
1
1770
The grand challenge to improve energy storage and increase battery life, while ensuring safe operation, is becoming evermore critical as we become increasingly reliant on this energy source for everything from portable devices ...
Materials Science
Apr 22, 2019
2
856
