In order to thwart forgeries, EPFL researchers propose a new miniaturized authentication system. By combining both, moire patterns and microlithography techniques, it can be easily recognized by the naked eye and impossible ...
Optics & Photonics
Jul 31, 2013
0
0
Was it a UFO? A sign that the end is nigh?
Earth Sciences
May 22, 2015
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40
For the first time, a new kind of so-called Klein tunnelling-representing the quantum equivalent of crossing an energy wall- has been presented in a model of two interacting particles. This work by Stefano Longhi and Giuseppe ...
General Physics
May 29, 2013
1
0
Using the latest in optical sensor technology, marine scientists from the University of Maine and the University of Washington have achieved unprecedented documentation of a critical phenomenon that occurs during the spring ...
Earth Sciences
Sep 7, 2011
0
0
At the heart of global internet connectivity, optical communications form an indispensable foundation. Key to this foundation are optical isolators, created by combining multiple components.
Optics & Photonics
Jan 18, 2024
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