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Category: holograms – Page 3

An Ongoing Meta-analysis of Gravitational Wave Signals may soon Prove that Space Remembers: permanent memory imprints in spacetime may soon be detected, which will be a validation of Nassim Haramein and our research team’s prediction that space has the property of memory, in which we described how the informational imprint of memory in space is what holographically generates time—that is to say that 4D spacetime is a hologram of a 3D voxel information network—as well as ordering properties underlying dynamics of organized matter. The gravitational wave memory effect is a prediction of general relativity, and physicists have devised a test of this interesting spacememory effect via a meta-analysis of gravitational wave detector data. The presence of memory effects in gravitational wave signals not only provides the chance to test an important aspect of general relativity, but also represents a potentially non-negligible contribution to the waveform for certain gravitational wave events. As well, memory properties of space will have far-reaching implications, from probing theories of quantum gravity and unified physics to potential applications in telecommunications technologies.

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In science fiction, holograms are used for anything from basic communications to advanced military weaponry. In the real world, 3D holographic displays have yet to break through to everyday products and devices. That’s because creating holograms that look real and have significant fidelity requires laser emitters or other advanced pieces of optical equipment. This situation has stymied commercial development, as these components are complex and expensive.

More recently, research scientists were able to create realistic 3D holographic images without lasers by using a white chip-on-board light-emitting diode. Unfortunately, that method required two spatial light modulators to control the wave fronts of the emitted light, adding a prohibitive amount of complexity and cost.

Now, those same scientists say they have created a simpler, more cost-effective way to create realistic-looking 3D holographic displays using only one spatial light modulator and new software algorithms. The result is a simpler and cheaper method for creating holograms that an everyday technology like a smartphone screen can emit.

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In an experiment reported in the journal Nature, physicists have achieved a remarkable feat by creating the world’s first quantum holographic wormhole. The experiment delves into the profound connection between quantum information and space-time, challenging traditional theories and shedding light on the complex relationship between quantum mechanics and general relativity.

The team, led by Maria Spiropulu from the California Institute of Technology, utilized Google’s quantum computer, Sycamore, to implement the groundbreaking “wormhole teleportation protocol.” This quantum gravity experiment on a chip surpassed competitors using IBM and Quantinuum’s quantum computers, marking a significant leap in the exploration of quantum phenomena.

The holographic wormhole emerged as a hologram from manipulated quantum bits, or “qubits,” stored in minute superconducting circuits. This achievement brings us closer to realizing a tunnel, theorized by Albert Einstein and Nathan Rosen in 1935, that traverses an extra dimension of space. The team successfully transmitted information through this quantum tunnel, further validating the experiment’s success.

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POSTECH’s new metasurface display technology projects angle-dependent holograms, enhancing virtual and augmented reality experiences.

The expression “flawless from every angle” is commonly used to characterize a celebrity’s appearance. This doesn’t simply imply that they appear attractive from a specific viewpoint, but rather that their appeal remains consistent and appealing from various angles and perspectives. Recently, a research team from Pohang University of Science and Technology (POSTECH) has employed metasurface to fabricate angle-dependent holograms with multiple functions, capturing significant interest within the academic community.

Breakthrough in display technology by POSTECH.

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Recently, a research team from Pohang University of Science and Technology (POSTECH) has employed metasurfaces to fabricate angle-dependent holograms with multiple functions. This technology allows holograms to display multiple images based on the observer’s viewing angle. The findings were published in Nano Letters.

Objects can appear distinct depending on the viewer’s position, a concept that can be harnessed in to generate cinematic and realistic 3D holograms presenting different images based on the viewing angle. However, the current challenge lies in controlling light dispersion according to the angle, making the application of nano-optics in this context a complex endeavor.

The team addressed this challenge by leveraging metasurfaces, artificial nanostructures capable of precisely manipulating the characteristics of light. These metasurfaces are incredibly thin and lightweight, approximately one-hundredth the thickness of a human hair, making them promising for applications in miniaturized displays such as virtual and augmented reality devices.

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College students may soon be able to attend lectures given by long-dead pioneers like Albert Einstein and Coco Chanel thanks to groundbreaking hologram technology, according to a report.

Some universities have already begun using the holographic technology to bring some of the world’s greatest innovators and artists, like Michael Jackson, to the classroom, The Guardian reported.

The technology can also beam in 3D images of speakers from across the world.

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