Archive for the ‘particle physics’ category: Page 448
May 25, 2019
A Quantum Revolution Is Coming
Posted by Genevieve Klien in categories: particle physics, quantum physics, security
Quantum physics, the study of the universe on an atomic scale, gives us a reference model to understand the human ecosystem in the discrete individual unit. It helps us understand how individual human behavior impacts collective systems and the security of humanity.
Metaphorically, we can see this in how a particle can act both like a particle or a wave. The concept of entanglement is at the core of much of applied quantum physics. The commonly understood definition of entanglement says that particles can be generated to have a distinct reliance on each other, despite any three-dimensional or 4-dimensional distance between the particles. What this definition and understanding imply is that even if two or more particles are physically detached with no traditional or measurable linkages, what happens to one still has a quantifiable effect on the other.
Now, individuals and entities across NGIOA are part of an entangled global system. Since the ability to generate and manipulate pairs of entangled particles is at the foundation of many quantum technologies, it is important to understand and evaluate how the principles of quantum physics translate to the survival and security of humanity.
May 25, 2019
Murray Gell-Mann, Who Peered at Particles and Saw the Universe, Dies at 89
Posted by Genevieve Klien in category: particle physics
A Nobel winner, he found hidden patterns in the subatomic matter that forms the universe, evoking James Joyce in calling one kind of particle “quarks.”
May 23, 2019
New collider concept would take quantum theories to an extreme
Posted by Quinn Sena in categories: particle physics, quantum physics
A new idea for smashing beams of elementary particles into one another could reveal how light and matter interact under extreme conditions that may exist on the surfaces of exotic astrophysical objects, in powerful cosmic light bursts and star explosions, in next-generation particle colliders and in hot, dense fusion plasma.
Most such interactions in nature are very successfully described by a theory known as quantum electrodynamics (QED). However, the current form of the theory doesn’t help predict phenomena in extremely large electromagnetic fields. In a recent paper in Physical Review Letters, researchers from the Department of Energy’s SLAC National Accelerator Laboratory and their colleagues have suggested a new particle collider concept that would allow us to study these extreme effects.
Extreme fields sap energy from colliding particle beams—an unwanted loss that is typically mitigated by bundling particles into relatively long, flat bunches and keeping the electromagnetic field strength in check. Instead, the new study suggests making particle bunches so short that they wouldn’t have enough time to lose energy. Such a collider would provide an opportunity to study intriguing effects associated with extreme fields, including the collision of photons emerging from the particle beams.
Continue reading “New collider concept would take quantum theories to an extreme” »
May 23, 2019
Atom smasher could be making new particles that are hiding in plain sight
Posted by Quinn Sena in category: particle physics
May 23, 2019
‘Einstein Was Right: You Can Turn Energy Into Matter’
Posted by Quinn Sena in categories: information science, nuclear energy, particle physics
E=m c
Albert Einstein proposed the most famous formula in physics in a 1905 paper on Special Relativity titled Does the inertia of an object depend upon its energy content?
Essentially, the equation says that mass and energy are intimately related. Atom bombs and nuclear reactors are practical examples of the formula working in one direction, turning matter into energy.
Continue reading “‘Einstein Was Right: You Can Turn Energy Into Matter’” »
May 23, 2019
Black-hole jets begin to reveal their antimatter secrets
Posted by Quinn Sena in categories: cosmology, particle physics
The first simulations of matter and antimatter particles swirling around a rotating black hole hint at the origins of the enigmatic jets. The first simulations of matter and antimatter particles swirling around a rotating black hole hints at the origins of the enigmatic jets.
May 23, 2019
The geometry of an electron determined for the first time
Posted by Quinn Sena in categories: computing, particle physics, quantum physics
Physicists at the University of Basel have shown for the first time how a single electron looks in an artificial atom. A newly developed method enables them to show the probability of an electron being present in a space. This allows improved control of electron spins, which could serve as the smallest information unit in a future quantum computer. The experiments were published in Physical Review Letters and the related theory in Physical Review B.
The spin of an electron is a promising candidate for use as the smallest information unit (qubit) of a quantum computer. Controlling and switching this spin or coupling it with other spins is a challenge on which numerous research groups worldwide are working. The stability of a single spin and the entanglement of various spins depends, among other things, on the geometry of the electrons—which previously had been impossible to determine experimentally.
May 22, 2019
Tiny droplets of early universe matter created
Posted by Quinn Sena in categories: cosmology, particle physics
An international team of scientists has created tiny droplets of the ultra-hot matter that once filled the early universe, forming three distinct shapes and sizes: circles, ellipses and triangles.
The study, published December 10, 2018 in the peer-reviewed journal Nature Physics, focuses on a liquid-like state of matter called a quark gluon plasma. Physicists believe that this matter filled the entire universe during the first few microseconds after the Big Bang when the universe was still too hot for particles to come together to make atoms.
The researchers used a massive collider at Brookhaven National Laboratory in Upton, New York, to recreate that plasma. In a series of tests, the researchers smashed packets of protons and neutrons in different combinations into much bigger atomic nuclei. They discovered that by carefully controlling conditions, they could generate droplets of quark gluon plasma that expanded to form three different geometric patterns.
Continue reading “Tiny droplets of early universe matter created” »
May 22, 2019
Can Miracle Material Stop Radiation?
Posted by Quinn Sena in categories: nuclear energy, particle physics
Gamma radiation is the most penetrating and energetic form of nuclear radiation. To absorb half the incoming Gamma you need two and a half inches of concrete or almost half an inch of lead. So my eyebrows went up when I saw a press release for an organization called Radiation Shielding Technologies, or RST, selling protective clothing with this startling claim:
“DemronTM not only protects against particle ionizing/nuclear radiation (such as Beta and Alpha), but does what NO OTHER full body radiation protection can do: shield against X-ray and low-energy Gamma emissions.”
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