Holograms are a ubiquitous part of our lives. They are in our wallets—protecting credit cards, cash and driver's licenses from fraud—in grocery store scanners and biomedical devices.
Optics & Photonics
May 13, 2016
0
1564
Scientists at the Energy Department's National Renewable Energy Laboratory (NREL) discovered a use for perovskites that runs counter to the intended usage of the hybrid organic-inorganic material.
Materials Science
Sep 1, 2016
0
531
(PhysOrg.com) -- The Vikings are said to have been able to navigate with the aid of "sunstones" that allowed them to see the sun on cloudy or foggy days. Now scientists in Hungary and Sweden say the sunstones could have been ...
Researchers at the University of Rochester and the University of Ottawa have applied a recently developed technique to directly measure for the first time the polarization states of light. Their work both overcomes some important ...
Optics & Photonics
Mar 3, 2013
18
0
Researchers in the University of Minnesota's College of Science and Engineering have measured the twisting force, or torque, generated by light on a silicon chip. Their work holds promise for applications such as miniaturized ...
Optics & Photonics
Sep 26, 2016
2
1457
Light has some well-established dynamical properties that have defined our understanding of electromagnetic radiation for over a century. Two of the most fundamental of these properties are that photons of light carry momentum ...
Optics & Photonics
Apr 25, 2014
7
4
Species that rely on darkness to forage and feed are losing the gift of camouflage thanks to advances in the lighting used to illuminate the world's cities and coastlines, a study has shown.
Plants & Animals
Mar 26, 2022
1
968
A scientist might want to do cartwheels upon making a discovery, but this time the discovery itself relies on cartwheels.
Optics & Photonics
Jun 29, 2020
1
770
Based on a new study of how near-Earth asteroid Phaethon reflects light at different angles, astronomers think that its surface may reflect less light than previously thought. This is an exciting mystery for the recently ...
Space Exploration
Jun 29, 2018
2
342
A team led by Rice University scientists used a unique combination of techniques to observe, for the first time, a condensed matter phenomenon about which others have only speculated. The research could aid in the development ...
Quantum Physics
Apr 16, 2018
2
865
