Optical frequency combs can enable ultrafast processes in physics, biology, and chemistry, as well as improve communication and navigation, medical testing, and security. The Nobel Prize in Physics 2005 was awarded to the ...
Optics & Photonics
Oct 8, 2018
4
257
With temperatures rising and heat-waves disrupting lives around the world, cooling solutions are becoming ever more essential. This is a critical issue especially in developing countries, where summer heat can be extreme ...
Polymers
Sep 27, 2018
3
339
Using surface-enhanced Raman spectroscopy, Columbia Engineers are first to observe how CO2 is activated at the electrode-electrolyte interface; their finding shifts the catalyst design from trial-and-error paradigm to a rational ...
Materials Science
Sep 17, 2018
1
156
Two-dimensional (2-D) materials such as graphene have unique electronic, magnetic, optical, and mechanical properties that promise to drive innovation in areas from electronics to energy to materials to medicine. Columbia ...
Nanomaterials
Aug 16, 2018
1
223
Ever shrinking transistors are the key to faster and more efficient computer processing. Since the 1970s, advancements in electronics have largely been driven by the steady pace with which these tiny components have grown ...
Nanophysics
Jun 6, 2018
0
146
Nearsightedness, or myopia, is an increasing problem around the world. There are now twice as many people in the US and Europe with this condition as there were 50 years ago. In East Asia, 70 to 90 percent of teenagers and ...
Optics & Photonics
May 29, 2018
6
5515
As electronic devices and circuits shrink into the nanoscale, the ability to transfer data on a chip, at low power with little energy loss, is becoming a critical challenge. Over the past decade, squeezing light into tiny ...
Nanophysics
May 23, 2018
0
242
Researchers at Columbia Engineering, experts at manipulating matter at the nanoscale, have made an important breakthrough in physics and materials science, recently reported in Nature Nanotechnology. Working with colleagues ...
Nanomaterials
Dec 12, 2017
0
326
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
A major goal in the field of molecular electronics, which aims to use single molecules as electronic components, is to make a device where a quantized, controllable flow of charge can be achieved at room temperature. A first ...
Nanomaterials
Aug 14, 2017
0
716
