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Category: holograms

In a recent study, researchers developed a portable digital holographic camera system that can obtain full-color digital holograms of objects illuminated with spatially and temporally incoherent light in a single exposure. They employed a deep-learning-based denoising algorithm to suppress random noise in the image-reconstruction procedure, and succeeded in video-rate full-color digital holographic motion-picture imaging using a white LED.

The camera they developed is palm-sized, weighs less than 1 kg, operates on a table with , does not require antivibration structures, and obtains incoherent motion-picture holograms under the condition of close-up recording.

The research is published in the journal Advanced Devices & Instrumentation.

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🚀 Welcome to the year 3,050 – a cyberpunk dystopian future where mega-corporations rule over humanity, AI surveillance is omnipresent, and cities have become neon-lit jungles of power and oppression.

🌆 In this AI-generated vision, experience the breathtaking yet terrifying future of corporate-controlled societies:
✅ Towering skyscrapers and hyper-dense cityscapes filled with neon and holograms.
✅ Powerful corporations with total control over resources, AI, and governance.
✅ A world where the elite live above the clouds, while the masses struggle below.
✅ Hyper-advanced AI, cybernetic enhancements, and the ultimate surveillance state.

🎧 Best experienced with headphones!

If you love Cyberpunk, AI-driven societies, and futuristic cityscapes, this is for you!

Continue reading “YEAR 3050: The Rise of Mega-Corporations & AI Domination 🚀 | Sci-Fi Cyberpunk Future” | >

Quantum physics, space documentary, and the fabric of reality—these are not just abstract ideas but the keys to unlocking the mysteries of existence. What is reality? Is it an illusion, a simulation, or something far beyond our comprehension? In this mind-expanding documentary, we explore the very fabric of the universe, from the bizarre behavior of quantum mechanics to the cosmic forces shaping space and time.

The universe is a grand puzzle, and science has only begun to unravel its secrets. Quantum physics reveals a world where particles exist in multiple states at once, where time behaves unpredictably, and where observation itself shapes reality. But how does this strange quantum realm connect to the vast expanse of space? Is the fabric of reality woven with unseen forces that govern everything, from black holes to the flow of time itself?

This space documentary takes you on a journey through the cutting-edge theories that challenge our understanding of the cosmos. Could our universe be a hologram? Is time an illusion? Do parallel realities exist beyond our perception? With stunning visuals, expert insights, and mind-bending concepts, we push the boundaries of what we know about existence.

🔔 Subscribe for more deep-space documentaries and quantum mysteries!

Continue reading “Quantum Physics and The Fabric of Reality II A Quantum Space Documentary 2025” | >

Theoretical physicists have long been trying to devise a complete theory of gravity that would also account for quantum mechanics phenomena, as existing models do not. Such a theory could collectively explain the many intricate physical and cosmological phenomena observed over the past decades.

Researchers at University of Maryland and University of British Columbia recently carried out a theoretical study exploring the possibility that holography, an approach to that includes some features of conventional holograms, could be used to describe quantum mechanical phenomena. Their paper, published in Physical Review Letters, introduces a theoretical argument that could suggests a link between observable cosmological phenomena and the that would underpin wormhole spacetimes.

“Coming up with a theory of gravity that includes the physics of quantum mechanics has been a major forefront area in for decades,” Mark Van Raamsdonk, one of the researchers who carried out the study, told Phys.org. “This is necessary to really understand the physics of black holes and the Big Bang, and to make progress towards a fully unified theory of physics.

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Optical information encoded in holograms is transferred by means of ultrashort laser filaments propagating in highly nonlinear and turbulent media. After propagation, the initial optical information is completely scrambled and cannot be retrieved by any experimental or physical modeling system. Yet, we demonstrate that neural networks trained on experimental data provide a robust way to fully recover the original hologram images. Remarkably, our approach demonstrates the ability to decode intricate spatial information, marking a significant advancement in information retrieval from chaotic media, with applications in secure free-space optical communications and cryptography.

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WASHINGTON — As the demand for digital security grows, researchers have developed a new optical system that uses holograms to encode information, creating a level of encryption that traditional methods cannot penetrate. This advance could pave the way for more secure communication channels, helping to protect sensitive data.

“From rapidly evolving digital currencies to governance, healthcare, communications and social networks, the demand for robust protection systems to combat digital fraud continues to grow,” said research team leader Stelios Tzortzakis from the Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas and the University of Crete, both in Greece.

Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.

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As the demand for digital security grows, researchers have developed a new optical system that uses holograms to encode information, creating a level of encryption that traditional methods cannot penetrate. This advance could pave the way for more secure communication channels, helping to protect sensitive data.

“From rapidly evolving digital currencies to governance, , communications and social networks, the demand for robust protection systems to combat digital fraud continues to grow,” said research team leader Stelios Tzortzakis from the Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas and the University of Crete, both in Greece.

“Our new system achieves an exceptional level of encryption by utilizing a to generate the decryption key, which can only be created by the owner of the encryption system.”

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Their method scrambles laser beams into chaotic patterns, making decryption impossible without a trained neural network. This innovation could revolutionize cryptography.

Holograms for Next-Level Encryption

As the demand for digital security grows, researchers have developed a new optical system that uses holograms to encode information, creating a level of encryption that traditional methods cannot penetrate. This advance could pave the way for more secure communication channels, helping to protect sensitive data.

Read more | >

What is the deepest level of reality? In this Quanta explainer, Vijay Balasubramanian, a physicist at the University of Pennsylvania, takes us on a journey through space-time to investigate what it’s made of, why it’s failing us, and where physics can go next.

Explore black holes, holograms, “alien algebra,” and more space-time geometry: https://www.quantamagazine.org/the-un…

00:00 — The Planck length, an intro to space-time.
1:23 — Descartes and Newton investigate space and time.
2:04 — Einstein’s special relativity.
2:32 — The geometry of space-time and the manifold.
3:16 — Einstein’s general relativity: space-time in four dimensions.
3:35 — The mathematical curvature of space-time.
4:57 — Einstein’s field equation.
6:04 — Singularities: where general relativity fails.
6:50 — Quantum mechanics (amplitudes, entanglement, Schrödinger equation)
8:32 — The problem of quantum gravity.
9:38 — Applying quantum mechanics to our manifold.
10:36 — Why particle accelerators can’t test quantum gravity.
11:28 — Is there something deeper than space-time?
11:45 — Hawking and Bekenstein discover black holes have entropy.
13:54 — The holographic principle.
14:49 — AdS/CFT duality.
16:06 — Space-time may emerge from entanglement.
17:44 — The path to quantum gravity.

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Continue reading “Space-Time: The Biggest Problem in Physics” | >

In today’s world, the fight against counterfeiting is more critical than ever. Counterfeiting affects about 3% of global trade, posing significant risks to the economy and public safety. From fake pharmaceuticals to counterfeit currency, the need for secure and reliable authentication methods is paramount. Authentication labels are commonly used—such as holograms on bank notes and passports—but there is always a need for new unfalsifiable technologies.

This is where research recently published in Applied Sciences comes into play. Led by a team of scientists from Oxford University, the University of Southampton, and Diamond Light Source, the UK’s national synchrotron, the work focuses on developing a new technology for writing and reading covert information on labels.

This technology leverages the unique properties of Ge2Sb2Te5 thin films, which can change their structure when exposed to specific types of laser light. By using circularly or linearly polarized laser light, the researchers can encode hidden information in these thin films. This information can then be revealed using a simple reading device, making the technology both advanced and accessible.

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