Peter Higgs, who gave his name to the subatomic particle known as the Higgs boson, has died aged 94. He was always a modest man, especially when considering that he was one of the greats of particle physics—the area of science concerned with the building blocks of matter.
Quantum teleportation is a process by which quantum information can be transmitted from one location to another, with the help of classical communication and previously shared quantum entanglement between the sending and receiving location. This process is not to be confused with teleportation as depicted in science fiction, where matter is instantaneously transported from one location to another. Instead, quantum teleportation involves the transfer of quantum states between particles at different locations without any physical movement of the particles themselves.
In a recent study by Isiaka Aremua and Laure Gouba, the researchers explored the teleportation of a qubit using exotic entangled coherent states. A qubit, or quantum bit, is the basic unit of quantum information. It is a quantum system that can exist in any superposition of its two basis states. The researchers used a system of an electron moving on a plane in uniform external magnetic and electric fields to construct different classes of coherent states.
Coherent states are specific states of a quantum harmonic oscillator. They are often described as the quantum equivalent of classical states because they closely resemble the behavior of classical particles. In the context of quantum teleportation, coherent states are used to form entangled states, which are crucial for the teleportation process.
While the idea of a mirror universe sounds like something from Marvel’s Doctor Strange, scientists now believe it could be real.
MYSTERIOUS signals are being detected coming from a star that has been radio silent for over a decade, according to scientists.
The radio signals are very powerful and their sudden appearance has baffled experts.
According to Live Science, the strange star is a magnetar that suddenly became very active again in 2018.
How optimistic.
First, a little background. With 200 billion trillion (ish) stars in the universe and 13.7 billion years that have elapsed since it all began, you might be wondering where all the alien civilizations are at. This is the basic question behind the Fermi paradox, the tension between our suspicions of the potential for life in the universe (given planets found in habitable zones, etc) and the fact that we have only found one planet with an intelligent (ish) species inhabiting it.
One solution, or at least a way of thinking about the problem, is known as the Great Filter. Proposed by Robin Hanson of the Future of Humanity Institute at Oxford University, the argument goes that given the lack of observed technologically advanced alien civilizations, there must be a great barrier to the development of life or civilization that prevents them from getting to a stage where they are making big, detectable impacts on their environment that we can witness from Earth.
Continue reading “New Solution To The Fermi Paradox Suggests The Great Filter Is Nearly Upon Us” »
Physicists at Princeton University successfully visualize the 90-year-old Wigner Crystal theory. This could pave the way for future quantum discoveries.
Astronomers have produced the largest 3D map of the universe, which can be explored in an interactive VR video. In the process, they’ve uncovered some tantalizing hints that our understanding of physics, including the ultimate fate of the cosmos, could be wrong.
The Dark Energy Spectroscopic Instrument (DESI) is a huge international project to map out the universe in three dimensions, which began collecting data in 2021. This early version of the map only includes data collected during the first year – 5.7 million galaxies and quasars out of the planned goal of 40 million. This data allows the scientists to peer as far as 11 billion light-years into deep space and time, providing a glimpse into the very early universe with an unprecedented precision of less than 1%.
Continue reading “Video: Largest 3D map of the universe reveals hints of new physics” »
String Theory proposes that the fundamental building blocks of the universe are tiny vibrating strings, forcing gravity and quantum mechanics to work together and providing a rich framework for understanding the universe Questions to inspire discussion What is String Theory? —String Theory proposes that the fundament.
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The hoard of more than 100 coffins and priceless artefacts was one of the biggest such hauls archaeologists made in the region.
