Linear polarization holography
In conventional holography, the hologram is formed by recording the interference fringes of two coherent beams using a photosensitive material. The amplitude and phase information of the original signal wave can be reconstructed correctly when readin.....»»
In quest to prevent debilitating traumatic brain injuries, new foam material rises to the top
From falls to football tackles, most blows to the head occur at odd angles. And those impacts trigger simultaneous linear and rotational head motions. The rotating movement in particular causes shear strain, which is especially damaging to the brain......»»
Harnessing all-dielectric metamaterials to manipulate the polarization state of light
Polarization is one of the fundamental characteristics of electromagnetic waves. It can convey valuable vector information in sensitive measurements and signal transmission, which is a promising technology for various fields such as environmental mon.....»»
Dynamic interactive bitwise meta-holography with ultra-high computational and display frame rates
Computer-generated holography (CGH) represents a cutting-edge technology that employs computer algorithms to dynamically reconstruct virtual objects. This technology has found extensive applications across diverse fields such as three-dimensional dis.....»»
Q&A: Polarization in the Netherlands actually is not that bad
Discussions about important societal issues, whether they relate to domestic or foreign affairs, on the street and in academia, seem to be intensifying. The heightened tone, personal attacks, and polarization are characteristic of these discussions......»»
Making extremely thing lubricating films predictable: Extension of the Reynolds equation by a non-linear wall slip law
When an electric vehicle accelerates, the motor generates maximum forces and enormous pressures act on the gears of the electric drivetrain. Surface meets surface, metal meets metal. If there were no lubricating film to allow the gears to slide more.....»»
Unlocking a climate puzzle: Study reveals hidden physics in quasi-linear temperature-radiation link
Curious about what drives Earth's climate sensitivity? A recent study in Advances in Atmospheric Sciences explores the complex links transforming the relationship between surface temperature and outgoing longwave radiation (OLR) from quartic to quasi.....»»
An anomalous relativistic emission arising from the intense interaction of lasers with plasma mirrors
Interactions between intense laser pulses and plasma mirrors have been the focus of several recent physics studies due to the interesting effects they produce. Experiments have revealed that these interactions can generate a non-linear physical proce.....»»
Researchers develop a new approach to polarization-independent LC phase modulation
Liquid-crystal (LC) phase modulators are widely used in optical systems because of their advantages of low power consumption, lightweight, flexible bandwidth adjustment, and non-mechanical movements. However, most LC phase modulators are polarization.....»»
Workplace tensions: How and when bystanders can make a difference
In today's climate of global political tensions and polarization, workplaces are filled with conflicting viewpoints. When employees hold political identities and perspectives that do not align with their co-workers, they perceive greater incivility f.....»»
Interacting polarons: Physicists simulate interacting quasiparticles in ultracold quantum gas
An electron moving through a solid generates a polarization in its environment due to its electric charge. In his theoretical considerations, the Russian physicist Lev Landau extended the description of such particles by their interaction with the en.....»»
Manipulating collective motions of electrons and solvent molecules in a polar liquid
Researchers at the Max-Born-Institute have now mapped the linear and nonlinear optical polaron response using ultrafast two-dimensional spectroscopy in the THz frequency range. As they discuss in the current issue of Physical Review Letters, multi-ph.....»»
Study shows defects spreading through diamond faster than the speed of sound
Settling a half century of debate, researchers have discovered that tiny linear defects can propagate through a material faster than sound waves do......»»
Insights into ethylene copolymerization with linear and end-cyclized olefins using a metallocene catalyst
A research team led by Changjiang Wu at SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd. in China has made important progress in understanding the polymerization behavior and thermal properties of copolymers formed through ethylene.....»»
Unveiling the invisible: A bioinspired CMOS-integrated polarization imaging sensor
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require complex optical components an.....»»
Scientists figured out how to write in water
German physicists used an ion-exchange microbead as a very tiny "pen." Enlarge / A selection of images drawn in water (linear scales: 250 µm) using an ion-exchange bead as a "pen." (credit: Thomas Palberg, Benno Liebchen/CC BY-N.....»»
Mass Effect 4 may not be open world, says industry insider
An "industry rumor" teases that the next Mass Effect game may move away from open-world and back to linear progression......»»
Researchers find innovative way to store and process information by maintaining valley polarization at room temperature
Researchers at the Center for Functional Nanomaterials (CFN), a U.S. Department of Energy (DOE) Office of Science User Facility at DOE's Brookhaven National Laboratory, and Northrop Grumman, a multinational aerospace and defense technology company, h.....»»
Illuminating new horizons: Navigating nonlinear scattering with precision
In the intricate world of light, a journey through inhomogeneous media often leads to distortions in space, time, spectrum, and polarization. These distortions, detrimental to applications like optical manipulation, imaging, and communication, have l.....»»
Two networks, two realities, one big problem
National news coverage from the two largest broadcast outlets, CNN and Fox News, not only reflects growing political polarization in America, but in a recent publication, researchers at Virginia Tech have shown that partisan and inflammatory broadcas.....»»
A new route for universal polarization transformations of spatially varying polarization fields
Polarization describes the orientation of oscillations in a light wave, and it plays an essential role in various optical applications—from enhancing visibility in sunglasses and camera lenses to facilitating advanced optical communication and imag.....»»