Microsoft on Wednesday said it is expanding its quantum facility just outside the Danish capital Copenhagen, by building its second lab in the Nordic country and its largest quantum site globally.
Category: quantum physics – Page 23
Elon Musk Just Changed Everything at Tesla — And No One’s Talking About It
Elon Musk just made a bold announcement that could completely redefine Tesla’s future — but almost no one noticed. At the 2025 Tesla Shareholder Meeting, Elon revealed a deeper vision that goes far beyond cars. From AI and humanoid robots to clean energy and automation, Tesla is positioning itself as the driving force behind humanity’s next great leap.
In this video, Chris Smedley and the Ideal Wealth Grower team break down the hidden message behind Elon’s words, why the singularity may already be unfolding, and how Tesla’s shift toward artificial intelligence could reshape the global economy — and your investment strategy. Stay tuned till the end to discover why this could be the most important turning point in Tesla’s history.
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Raman quantum memory demonstrates near-unity performance
Over the past decades, quantum physicists and engineers have developed numerous technologies that harness the principles of quantum mechanics to push the boundaries of classical information science. Among these advances, quantum memories stand out as promising devices for storing and retrieving quantum information encoded in light or other physical carriers.
To be viable for real-world applications, quantum memory must deliver both high efficiency and high fidelity. In other words, they should be able to store and retrieve most of the input quantum information —typically over 90%—and ensure that a recovered state closely matches the original one.
Notably, most previously proposed strategies to develop efficient quantum memories were found to produce undesired random fluctuations (i.e., noise). These fluctuations could in turn degrade quantum information, reducing the system’s fidelity.
HD⁺ ions cooled to 18 mK yield most precise vibrational-rotational spectra to date
A research team from the Innovation Academy for Precision Measurement Science and Technology (APM) of the Chinese Academy of Sciences has made significant progress in precisely measuring the vibrational-rotational spectra of hydrogen molecular ions (HD⁺).
The researchers prepared a Be⁺-HD⁺ two-component ion Coulomb crystal at millikelvin temperatures in a linear ion trap. They developed an innovative quantum state preparation and spatially resolved fluorescence detection techniques and used these to measure the high-resolution vibrational-rotational transition spectra of HD⁺ molecular ions. Their findings were published in Physical Review A.
HD⁺ is the simplest heteronuclear molecular ion, composed of one proton, one deuteron, and one electron. Its vibrational-rotational transition energies can be precisely calculated, making it an ideal system for testing quantum electrodynamics (QED) theory and determining fundamental physical constants, such as the proton-electron mass ratio.
Superconducting qubit that lasts for over 1 millisecond is primed for industrial scaling
In a major step toward practical quantum computers, Princeton engineers have built a superconducting qubit that lasts three times longer than today’s best versions.
“The real challenge, the thing that stops us from having useful quantum computers today, is that you build a qubit and the information just doesn’t last very long,” said Andrew Houck, Princeton’s dean of engineering and co-principal investigator. “This is the next big jump forward.”
In an article in the journal Nature, the Princeton team report that their new qubit lasts for over 1 millisecond. This is three times longer than the best ever reported in a lab setting, and nearly 15 times longer than the industry standard for large-scale processors.