Biophysics researchers at the University of Michigan have used short pulses of light to peer into the mechanics of photosynthesis and illuminate the role that molecule vibrations play in the energy conversion process that ...
Materials Science
Jul 13, 2014
2
1
Princeton University engineers have developed a new laser sensing technology that may allow soldiers to detect hidden bombs from a distance and scientists to better measure airborne environmental pollutants and greenhouse ...
General Physics
Jan 28, 2011
6
0
Lawrence Livermore National Laboratory (LLNL) researchers have designed a compact multi-petawatt laser that uses plasma transmission gratings to overcome the power limitations of conventional solid-state optical gratings. ...
Optics & Photonics
Aug 19, 2022
0
682
Phonons are discrete units of vibrational energy predicted by quantum mechanics that correspond to collective oscillations of atoms inside a molecule or a crystal. When such vibrations are produced by light interacting with ...
Quantum Physics
Jun 5, 2018
1
581
Perovskites, once on the fringes of solar cell research, have fast become the "it" materials for advancing solar power.
Materials Science
Dec 16, 2016
5
828
Scientists have developed a new type of laser that can deliver high amounts of energy in very short bursts of time, with potential applications in eye and heart surgery or the engineering of delicate materials.
Optics & Photonics
May 25, 2020
0
2000
A Rice University laboratory has improved upon its ability to determine molecular structures in three dimensions in ways that challenge long-used standards.
General Physics
Aug 15, 2013
0
0
An international team of plasma physicists has used one of the world's most powerful lasers to create highly unusual plasma composed of hollow atoms.
Plasma Physics
Mar 25, 2013
3
0
Lawrence Livermore National Laboratory's (LLNL) National Ignition Facility (NIF) laser system has set a new record, firing 2.15 megajoules (MJ) of energy to its target chamber—a 15 percent improvement over NIF's design ...
General Physics
Jul 11, 2018
1
315
A donut is not a bun. From a mathematical point of view, they are two fundamentally different objects: The donut has a hole, the bun does not. A circle inside the donut around its hole in the center cannot be shrunk to a ...
Optics & Photonics
Feb 28, 2022
0
305
