With a Bose–Einstein condensate in a magnetic field, researchers can see hints of particle production in expanding space—and they can run the experiment more than once.
Physicists say they’ve found evidence in data from Europe’s Large Hadron Collider for three never-before-seen combinations of quarks, just as the world’s largest particle-smasher is beginning a new round of high-energy experiments.
The three exotic types of particles – which include two four-quark combinations, known as tetraquarks, plus a five-quark unit called a pentaquark – are totally consistent with the Standard Model, the decades-old theory that describes the structure of atoms.
In contrast, scientists hope that the LHC’s current run will turn up evidence of physics that goes beyond the Standard Model to explain the nature of mysterious phenomena such as dark matter. Such evidence could point to new arrays of subatomic particles, or even extra dimensions in our Universe.
https://youtube.com/watch?v=cdf2UthcirY
Scientists and astronomers have always been curious about the peculiarities.
in our solar system. And at the very top of their list of curiosity is dark matter. Although several phenomena has been unraveled by different.
scientists, the mystery that is dark matter still remains largely unsolved.
In a bid to satisfy their curiosity, a team of scientists while researching about.
dark matter have recently discovered a portal leading to the fifth dimension.
and this discovery is set to change how we view the universe forever.
How did the scientists find the portal, and how would this discovery affect.
our world?
Join us as we explore how scientists just announced that they found a portal.
to the fifth dimension.
Dark matter has long since been an enigma to scientists and astronomers.
Although it takes up most of our universe, scientists have yet to fully unravel.
its mystery. With the discovery of the fifth dimension, scientists believe that.
this dimension might explain the seventy-five percent of dark matter that has not been observed yet. Even though we don’t know much about it, most.
of our ideas about the physical universe relies on the concept of dark matter.
Scientists are rooted in this idea simply because dark matter takes up most.
of our universe, and it is regarded as a pinch hitter that helps scientists.
understand how gravity works. They believe several features would dissolve.
or fall apart without an “x factor” of dark matter. Even at that, dark matter.
does not disrupt the particles we see and feel. This means it must also have.
other special properties, hence why more research on dark matter was.
needed.
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From the slivers of natural magnetite used as the earliest magnetic compasses to today’s cryogenically cooled superconducting quantum interference devices, researchers have employed many diverse means to measure magnetic fields. Now Robert Cooper at George Mason University, Virginia, and colleagues have added two more [1]. Their instruments, which are variations on a high-precision instrument called an optically pumped atomic magnetometer, are the first demonstrations of “intrinsic radio-frequency gradiometers.” These devices are especially suited to measure weak, local radio-frequency sources while excluding background fields.
At the heart of an optically pumped atomic magnetometer lies a gas of alkali atoms whose spins are aligned by a circularly polarized laser—the optical pump. The presence of an external magnetic field perturbs the spin axis of these atoms, showing up as a change in the polarization direction of the probe beam—a second, linearly polarized laser that is also transmitted through the gas.
In the devices devised by Cooper and his colleagues, the probe beam makes multiple passes through the alkali gas, maximizing the device’s sensitivity to weak fields. In one setup, a high-power probe beam takes a single M-shaped route through the gas, passing twice through a pair of vapor cells. In the other, a low-power beam traces overlapping V-shaped paths, passing 46 times through a single vapor cell.
A Bose-Einstein condensate of europium atoms provides a new experimental platform for studying quantum spin interactions.
The new work, from MIT’s Center for Bits and Atoms (CBA), builds on years of research, including recent studies demonstrating that objects such as a deformable airplane wing and a functional racing car could be assembled from tiny identical lightweight pieces — and that robotic devices could be built to carry out some of this assembly work. Now, the team has shown that both the assembler bots and the components of the structure being built can all be made of the same subunits, and the robots can move independently in large numbers to accomplish large-scale assemblies quickly.
The new work is reported in the journal Nature Communications Engineering, in a paper by CBA doctoral student Amira Abdel-Rahman, Professor and CBA Director Neil Gershenfeld, and three others.
The James Webb Space Telescope has captured a detailed molecular and chemical portrait of a faraway planet’s skies, scoring another first for the exoplanet science community.
WASP-39b, otherwise known as Bocaprins, can be found orbiting a star some 700 light-years away. It is an exoplanet — a planet outside our solar system — as massive as Saturn but much closer to its host star, making for an estimated temperature of 1,600 degrees Fahrenheit (871 degrees Celsius) emitting from its gases, according to NASA. This “hot Saturn” was one of the first exoplanets that the Webb telescope examined when it first began its regular science operations.
The new readings provide a full breakdown of Bocaprins’ atmosphere, including atoms, molecules, cloud formations (which appear to be broken up, rather than a single, uniform blanket as scientists previously expected) and even signs of photochemistry caused by its host star.
By using a chain of atoms to simulate a black hole’s event horizon, researchers have shown that Hawking radiation may exist just as the late physicist described. Scientists have created a lab-grown black hole analog to test one of Stephen Hawking’s most famous theories — and it behaves just how he predicted.
Sound waves, like an invisible pair of tweezers, can be used to levitate small objects in the air. Although DIY acoustic levitation kits are readily available online, the technology has important applications in both research and industry, including the manipulation of delicate materials like biological cells.
Researchers at the University of Technology Sydney (UTS) and the University of New South Wales (UNSW) have recently demonstrated that in order to precisely control a particle using ultrasonic waves, it is necessary to take into account both the shape of the particle and how this affects the acoustic field. Their findings were recently published in the journal Physical Review Letters.
Sound levitation happens when sound waves interact and form a standing wave with nodes that can ‘trap’ a particle. Gorkov’s core theory of acoustophoresis, the current mathematical foundation for acoustic levitation, makes the assumption that the particle being trapped is a sphere.
Invented in 1970 by Corning Incorporated, low-loss optical fiber became the best means to efficiently transport information from one place to another over long distances without loss of information. The most common way of data transmission nowadays is through conventional optical fibers—one single core channel transmits the information. However, with the exponential increase of data generation, these systems are reaching information-carrying capacity limits.
Thus, research now focuses on finding new ways to utilize the full potential of fibers by examining their inner structure and applying new approaches to signal generation and transmission. Moreover, applications in quantum technology are enabled by extending this research from classical to quantum light.
In the late 50s, the physicist Philip W. Anderson (who also made important contributions to particle physics and superconductivity) predicted what is now called Anderson localization. For this discovery, he received the 1977 Nobel Prize in Physics. Anderson showed theoretically under which conditions an electron in a disordered system can either move freely through the system as a whole, or be tied to a specific position as a “localized electron.” This disordered system can for example be a semiconductor with impurities.
