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Blog – Page 9

Scientists have uncovered “Quipu,” the largest known galactic structure, stretching 1.4 billion light-years. This discovery reshapes cosmic mapping and affects key measurements of the universe’s expansion.

A team of scientists has identified the largest cosmic superstructure ever reliably measured. The discovery was made while mapping the nearby universe using galaxy clusters detected in the ROSAT X-ray satellite’s sky survey. Spanning approximately 1.4 billion light-years, this structure — primarily composed of dark matter — is the largest known formation in the universe to date. The research was led by scientists from the Max Planck Institute for Extraterrestrial Physics and the Max Planck Institute for Physics, in collaboration with colleagues from Spain and South Africa.

A Vastly Structured Universe

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A recent study from the University of Eastern Finland (UEF) examines how photons—the fundamental particles of light—behave when they encounter sudden changes in a material’s properties over time. This research reveals intriguing quantum optical effects that could advance quantum technology and help establish an emerging field known as four-dimensional quantum optics.

Four-dimensional optics is a field of research that explores how light interacts with structures that change both in time and space. This emerging area has the potential to revolutionize microwave and optical technologies by enabling capabilities such as frequency conversion, amplification, polarization control, and asymmetric scattering. Because of these possibilities, it has drawn significant interest from researchers worldwide.

In recent years, substantial progress has been made in this field. For example, a recent international study published in Nature Photonics.

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UCLA physicists have developed a new thin film that uses far less of the rare thorium-229 while also being significantly less radioactive, making it a safer and more practical alternative for atomic clocks. Atomic clocks using thorium-229 nuclei excited by laser beams could provide the most pre.

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This method enables applications in photonics, electronics, and advanced materials for energy and environmental use.

This technique will control functional nanoparticle assembly into uniform monolayers over large surfaces.

Employing nanoparticle components is often challenging despite its versatility, especially when fabricating a device. Therefore, scientists presented an electrostatic assembly as a potential solution, where nanoparticles attach to oppositely charged surfaces.

However, this process can take a lot of work, and thus, the South Korean scientists devised the “mussel-inspired” one-shot nanoparticle assembly technique that transports materials from water in microscopic volumes to two-inch wafers in 10 seconds.

Continue reading “Mussel-inspired nanoparticle assembly tech to aid energy applications” | >

A team led by Tokyo Metropolitan University has made significant strides in the search for dark matter. Using advanced spectrographic technology and the Magellan Clay Telescope, they observed galaxies. With just four hours of observations in the infrared range, they set new limits on the lifetime of dark matter. Their findings demonstrate the power of their technology and expand the search to less explored parts of the spectrum.

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For decades, cosmologists have noticed that galaxies rotate in a way that suggests there is more mass than we can see, dubbed “dark matter.” This elusive substance is challenging to study because it is invisible and has unclear properties.

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Welcome to the age of wireless electricity.

Nikola Tesla once envisioned a world where electricity could be transmitted wirelessly, eliminating the need for wires and revolutionizing energy distribution.

Over a century later, that dream is on the brink of becoming reality.

Companies worldwide, from America’s Wave Inc. to Japan’s Space Power Technologies and New Zealand’s Emrod, are pioneering wireless power transmission technologies. These innovations range from microwave and laser-based energy transfer to solar satellites that beam electricity from space. New Zealand is already testing Emrod’s wireless energy infrastructure, which could provide clean, sustainable power across difficult terrains. Meanwhile, advancements like wireless EV charging roads and underground charging systems are making the technology more practical than ever.

As promising as wireless electricity sounds, challenges remain—chief among them, public skepticism and efficiency concerns.

Continue reading “Center for Energy Systems Research” | >

PsiQuantum has detailed the photonic quantum chips and cooling system it plans to use for a quantum computer with a million qubits.

The Omega quantum photonic chipset is purpose-built for utility-scale quantum computing and produced by Global Foundries in New York on 300mm wafer. The technology was detailed in a paper in Nature submitted last June and published this week.

This paper shows high-fidelity qubit operations, and a simple, long-range chip-to-chip qubit interconnect – a key enabler to scale that has remained challenging for other technologies.

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