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Archive for the ‘particle physics’ category: Page 374

Oct 21, 2020

Does Consciousness Create Reality? Double Slit Experiment may show the Answer

Posted by in categories: neuroscience, particle physics, quantum physics

The double slit experiment — Does consciousness create reality? Quantum mechanics shows us that particles are in superposition, meaning they can exist in different states and even multiple places at the same time. They are nothing more than waves of probabilities, until the moment that they are measured. One interpretation of this phenomenon is that the measurement being made requires a measurer, or a conscious observer. If this is correct, then it implies that consciousness has to be is an integral part of creating the world that we observe. Could this consciousness then be required for creating reality? Does this mean that there would be no reality without consciousness?

Experiments can show that what we think of as particles behave like waves. Waves of probabilities. This is the foundation of Quantum mechanics. The famous double slit experiment illustrates this. What is bizarre is that when you try to find out what’s going on at the slits by placing a detector at the two slits to try to figure out which slit the individual atoms are going through – the “WHICH WAY” information, they all of a sudden stop behaving like waves, and behave like particles.

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Oct 20, 2020

Quantum Tunnels Show How Particles Can Break the Speed of Light

Posted by in categories: particle physics, quantum physics

Recent experiments show that particles should be able to go faster than light when they quantum mechanically “tunnel” through walls.

Oct 19, 2020

New insight brings sustainable hydrogen one step closer

Posted by in categories: chemistry, particle physics, sustainability, transportation

Leiden chemists Marc Koper and Ian McCrum have discovered that the degree to which a metal binds to the oxygen atom of water is decisive for how well the chemical conversion of water to molecular hydrogen takes place. This insight helps to develop better catalysts for the production of sustainable hydrogen, an important raw material for the chemical industry and the fuel needed for environmentally friendly hydrogen cars. Publication in Nature Energy.

For years there has been a heated debate in the literature: how to speed up the electrochemical production of on platinum electrodes in an alkaline environment? Chemist Ian McCrum watched from the sidelines and concluded that part of the debate was caused by the fact that the debaters were looking at slightly different electrodes, making the results incomparable. Time to change that, McCrum thought, who was a LEaDing Fellow postdoc in the group of Professor Marc Koper at the time.

Oct 19, 2020

11 Years Charting The Edge of The Solar System

Posted by in categories: particle physics, space

Our Interstellar Boundary Explorer launched to space 12 years ago today!

IBEX studies our solar system’s boundary to interstellar space by measuring particles that rocket back towards Earth from the edge of the heliosphere, the vast bubble generated by the Sun’s magnetic field that envelops all the planets. Scientists recently used an entire solar cycle’s worth of data to explore how this boundary changes throughout the Sun’s activity cycles. https://www.nasa.gov/feature/goddard/2020/nasa-ibex-charts-1…sphere-sun

Oct 19, 2020

Scientists Measure The Shortest Length of Time Ever: Zeptoseconds

Posted by in category: particle physics

Scientists have measured the shortest unit of time ever: the time it takes a light particle to cross a hydrogen molecule.

That time, for the record, is 247 zeptoseconds. A zeptosecond is a trillionth of a billionth of a second, or a decimal point followed by 20 zeroes and a 1.

Previously, researchers had dipped into the realm of zeptoseconds; in 2016, researchers reporting in the journal Nature Physics used lasers to measure time in increments down to 850 zeptoseconds.

Oct 18, 2020

Researchers develop new algorithm with better performance for spectral technology

Posted by in categories: information science, particle physics

Recently, researchers from the Institute of Intelligent Machines developed a new wavelength selection algorithm based on combined moving window (CMW) and variable dimension particle swarm optimization (VDPSO) algorithm.

CMW retained the advantages of the moving window algorithm, and different windows could overlap each other to realize automatic optimization of spectral interval width and number. VDPSO algorithms improved the traditional particle swarm optimization (PSO) algorithm.

This new algorithm, which is called VDPSO-CMW, could search the data space in different dimensions, and reduce the risk of limited local extrema and over fitting.

Oct 18, 2020

Meet the zeptosecond, the shortest unit of time ever measured

Posted by in category: particle physics

Scientists have measured the shortest unit of time ever, the time it takes for a particle of light to cross a hydrogen molecule.

Oct 16, 2020

We’ve built a fourth dimension of space and we’re about to look inside

Posted by in categories: particle physics, quantum physics

We only ever experience three spatial dimensions, but quantum lab experiments suggest a whole new side to reality – weird particle apparitions included.

Oct 15, 2020

Could Schrödinger’s cat exist in real life? Our research may soon provide the answer

Posted by in categories: mathematics, particle physics, quantum physics

Have you ever been in more than one place at the same time? If you’re much bigger than an atom, the answer will be no.

But atoms and particles are governed by the rules of quantum mechanics, in which several different possible situations can coexist at once.

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Oct 15, 2020

Researchers Were Able To Store And Move Light In Quantum Breakthrough

Posted by in categories: particle physics, quantum physics

Light is incredible. You can bend it, you can bounce it, and researchers have now found a way to trap light, physically move it, and then release it again.

This incredible feat of physics was demonstrated at the Johannes Gutenberg University Mainz and published in Physics Review Letters. Researchers trapped light in a quantum memory, a cloud of ultra-cold rubidium atoms. The quantum memory was then moved 1.2 millimeters and the light was released with little impact on its properties.

“We stored the light by putting it in a suitcase so to speak, only that in our case the suitcase was made of a cloud of cold atoms. We moved this suitcase over a short distance and then took the light out again. This is very interesting not only for physics in general, but also for quantum communication because light is not very easy to ‘capture’, and if you want to transport it elsewhere in a controlled manner, it usually ends up being lost,” senior author Professor Patrick Windpassinger said in a statement.