Columbia Engineers Build Smallest Integrated Kerr Frequency Comb Generator

Optical frequency combs can enable ultrafast processes in physics, biology, and chemistry, as well as improve communication and navigation, medical testing, and security. Columbia Engineers have built a Kerr frequency comb generator that, for the...
5-Oct-2018 1:05 PM EDT Add to Favorites

Revolutionary Ultra-thin “Meta-lens” Enables Full-color Imaging

Columbia Engineers have created the first flat lens capable of correctly focusing a large range of colors of any polarization to the same focal spot without the need for any additional elements. Only a micron thick, their revolutionary "flat" lens...
2-Oct-2018 11:05 AM EDT Add to Favorites

Polymer Coating Cools Down Buildings

Columbia Engineers have invented a high-performance exterior PDRC polymer coating with nano-to-microscale air voids that acts as a spontaneous air cooler and can be fabricated, dyed, and applied like paint on rooftops, buildings, water tanks,...
26-Sep-2018 4:50 PM EDT Add to Favorites

After 150 years, a Breakthrough in Understanding the Conversion of CO2 to Electrofuels

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 approach and could...
17-Sep-2018 11:05 AM EDT Add to Favorites

Twisted Electronics Open the Door to Tunable 2D Materials

Columbia University researchers report an advance that may revolutionize the field of 2D materials such as graphene: a “twistronic” device whose characteristics can be varied by simply varying the angle between two different 2D layers placed on...
12-Aug-2018 8:05 PM EDT Add to Favorites

Innovative Technique Converts White Fat to Brown Fat

Increasing healthy brown fat might help weight management and reduce symptoms of diabetes. Columbia Engineers have developed a simple, innovative method to directly convert white fat to brown fat outside the body and then reimplant it in a patient....
1-Aug-2018 11:05 AM EDT Add to Favorites

Looking Inside the Lithium Battery’s Black Box

Columbia University researchers report the use of SRS microscopy, a technique widely used in biomedical studies, to explore the mechanism behind dendrite growth in lithium batteries, the first team of material scientists to directly observe ion...
26-Jul-2018 2:05 PM EDT Add to Favorites

Machine Learning May Be a Game-Changer for Climate Prediction

New research from Columbia Engineering Professor Pierre Gentine demonstrates that machine-learning techniques can be used to accurately represent clouds and their atmospheric heating and moistening, and better represent clouds in coarse resolution...
19-Jun-2018 4:05 PM EDT Add to Favorites

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