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#quantum

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Science News<p>Researchers at the @European XFEL in <a href="https://idw-online.social/tags/Schenefeld" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Schenefeld</span></a> near <a href="https://idw-online.social/tags/Hamburg" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Hamburg</span></a> have been able to directly visualise <a href="https://idw-online.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> fluctuations in complex <a href="https://idw-online.social/tags/molecules" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>molecules</span></a> for the first time. However, they had to burst the molecule in the process, as they report in <a href="https://idw-online.social/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> magazine<br><a href="https://nachrichten.idw-online.de/2025/08/07/european-xfel-reveals-quantum-fluctuations-in-complex-molecules" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nachrichten.idw-online.de/2025</span><span class="invisible">/08/07/european-xfel-reveals-quantum-fluctuations-in-complex-molecules</span></a></p>
Universität Innsbruck<p>At the University of Innsbruck, the quantum computer era has already begun in teaching: starting in the fall semester, students from all faculties can attend an introductory course on quantum computer programming. </p><p>For this a quantum computer from spin-off Alpine Quantum Technologies (AQT) was integrated into the university's high-performance computing infrastructure.</p><p>More details (in German): <a href="https://www.uibk.ac.at/de/newsroom/2025/fur-studierende-beginnt-das-quantencomputer-zeitalter/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">uibk.ac.at/de/newsroom/2025/fu</span><span class="invisible">r-studierende-beginnt-das-quantencomputer-zeitalter/</span></a></p><p>📸 Dieter Kühl, AQT</p><p><a href="https://social.uibk.ac.at/tags/study" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>study</span></a> <a href="https://social.uibk.ac.at/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://social.uibk.ac.at/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> <a href="https://social.uibk.ac.at/tags/computer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>computer</span></a> <a href="https://social.uibk.ac.at/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a></p>
boyela<p><span class="h-card" translate="no"><a href="https://mastodon.social/@nocontexttrek" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>nocontexttrek</span></a></span> <a href="https://mastodon.social/tags/startrek" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>startrek</span></a> has come up in recent debates, as some scientists are now exploring the idea of human teleportation. So, you might want to take another look at the Heisenberg compensator, maybe it’s not entirely fictional anymore.</p><p><a href="https://mastodon.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://mastodon.social/tags/quantumcomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantumcomputing</span></a> <a href="https://mastodon.social/tags/teleportation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>teleportation</span></a></p>
Tim Ventura<p><a href="https://mastodon.social/tags/NASA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NASA</span></a> physicist Dr. Charles Buhler explores the physics behind the Exodus <a href="https://mastodon.social/tags/breakthrough" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>breakthrough</span></a> propellantless propulsion device. His team made international headlines in 2024 for producing 1g (9.8 m/s²) thrust in hard-vacuum experiments. FULL INTERVIEW: <a href="https://youtu.be/VuOx7n77G78" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/VuOx7n77G78</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/warpdrive" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>warpdrive</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> <a href="https://mastodon.social/tags/tech" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tech</span></a> <a href="https://mastodon.social/tags/warp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>warp</span></a> <a href="https://mastodon.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://mastodon.social/tags/StarTrek" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>StarTrek</span></a></p>
Kevin Russell<p>This is for reassurance of everyone who feels like <a href="https://mstdn.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> at its most <a href="https://mstdn.social/tags/weird" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>weird</span></a> is hard to comprehend.</p><p>Scientists agree with you, not with each other.</p><p>"Physicists Disagree Wildly on What Quantum Mechanics Says About Reality"</p><p>... 15% support many-worlds interpretation... are split evenly on whether a boundary exists between <a href="https://mstdn.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> and classical worlds -- 45% yes, 45% no....wave function's nature, 47% called it a mathematical tool while 36% (said) ...physical reality.</p><p><a href="https://m.slashdot.org/story/445018" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">m.slashdot.org/story/445018</span><span class="invisible"></span></a></p>
Science News<p>Molecules in motion: A global contest puts analysis tools for single-molecule motion analysis to the test <a href="https://idw-online.social/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ai</span></a> <a href="https://idw-online.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://idw-online.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a><br><a href="https://nachrichten.idw-online.de/2025/07/23/molecules-in-motion-global-contest-puts-analysis-tools-for-single-molecule-motion-analysis-to-the-test" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">nachrichten.idw-online.de/2025</span><span class="invisible">/07/23/molecules-in-motion-global-contest-puts-analysis-tools-for-single-molecule-motion-analysis-to-the-test</span></a></p>
Marek Gluza<p>Grover's brilliant quantum algorithm has all along been an approximation to imaginary-time evolution.</p><p><a href="https://arxiv.org/abs/2507.15065" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2507.15065</span><span class="invisible"></span></a></p><p>This makes Grover's algorithm no less exciting and makes ITE the more exciting. </p><p>Our derivation is based on the framework of double-bracket <a href="https://mathstodon.xyz/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> algorithms which systematically synthesise unitary circuits for Riemannian gradient flows on unitary manifolds with linear cost functions. Imaginary-time evolution happens to be a gradient flow, as we showed when proposing DB-QITE, and we use the backbone of DB-QSP proposed together with same team as on this paper I.e with Jeongrak Son Nelly Ng Bi Hong Tiang, Zoe Holmes and Yudai Suzuki. Yudai is not active here so I will remark about a few insights he shared with me during this project.</p><p>In the Grover case the Riemannian flow of ITE follows the geodesic. The velocity parametrization of the great circle geodesic realized by Grover's iterations, we get a nicely factoring tricks and arrive at a completely new formulation of running canonical formulation of QSP with Grover's oracle and diffusion operators implementing the processing. Yudai told me that there seems to be almost no useful signal functions for QSP that can be realized in the R-Z convention by Yoder, Low and Chuang. Well, apart from Grover that is, as we show towards the end of the paper. So this QSP convention suddenly comes into highlight through prominence of Grover's algorithm.</p><p>In summary Riemannian gradient flow is the most general structure, imaginary-time evolution is an example of that and if we want to make a quantum algorithm out of that then we formulate a double-bracket quantum algorithm - which comes out to be exactly Grover's algorithm 🐣</p>
Ben Evans<p>Factoring primes using an abacus and a dog - <a href="https://eprint.iacr.org/2025/1237.pdf" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">eprint.iacr.org/2025/1237.pdf</span><span class="invisible"></span></a> <a href="https://mastodon.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://mastodon.social/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a></p>
the magnificent rhys<p>Apropos nothing, Daniel Bernstein's post from earlier in the year on the viability of quantum computing.</p><p><a href="https://mastodon.rhys.wtf/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://mastodon.rhys.wtf/tags/PQC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PQC</span></a> <a href="https://mastodon.rhys.wtf/tags/cryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cryptography</span></a> </p><p><a href="https://blog.cr.yp.to/20250118-flight.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blog.cr.yp.to/20250118-flight.</span><span class="invisible">html</span></a></p>
Doktor Overcomma :vepi:<p>Heading down to the laboratory to work on my quantum abacus. Its beads are both slid and not-slid until you look at it and they fall into place with a deafening clatter.<br><a href="https://dobbs.town/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a></p>
Marcel Waldvogel<p>Of course, besides the critique, they also provide guidance on how a "real" <a href="https://waldvogel.family/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> factorization experiment should be designed.</p><p>The text is easy to read even without <a href="https://waldvogel.family/tags/QuantumComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantumComputing</span></a> background.</p><p>And it is absolutely worthwhile to at least read the footnotes. Some of them definitely made my day!<br><span class="h-card" translate="no"><a href="https://chaos.social/@sten" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>sten</span></a></span> <br><a href="https://eprint.iacr.org/2025/1237" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">eprint.iacr.org/2025/1237</span><span class="invisible"></span></a></p>
The New Oil<p>Why It's Time To Invest In <a href="https://mastodon.thenewoil.org/tags/Quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quantum</span></a> <a href="https://mastodon.thenewoil.org/tags/Cybersecurity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cybersecurity</span></a> Now</p><p><a href="https://it.slashdot.org/story/25/07/13/2152256/why-its-time-to-invest-in-quantum-cybersecurity-now" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">it.slashdot.org/story/25/07/13</span><span class="invisible">/2152256/why-its-time-to-invest-in-quantum-cybersecurity-now</span></a></p>
Andrew Jones (hpcnotes)<p>Some <a href="https://mast.hpc.social/tags/HPC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HPC</span></a> fun for the week ahead:</p><p>a quiz on HPC leadership topics</p><p><a href="https://forms.office.com/r/vCcEX690h2" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">forms.office.com/r/vCcEX690h2</span><span class="invisible"></span></a></p><p>(and no mention of <a href="https://mast.hpc.social/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ai</span></a> or <a href="https://mast.hpc.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a></p>
Violet Bison 🦬<p>Nie wiem jak Ty, ale ja już inwestuję&nbsp;w poznawanie technologii kwantowej. </p><p>A Ty co, dalej web3, NFT, AI? Nawet mi Cię nie żal. </p><p><a href="https://wspanialy.eu/tags/technology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>technology</span></a> <a href="https://wspanialy.eu/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://wspanialy.eu/tags/ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ai</span></a> <a href="https://wspanialy.eu/tags/web3" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>web3</span></a></p>
Rowan Brad Quni<p>Harmonic Resonance Computing: Harnessing the Fundamental Frequencies of Reality for a Novel Computational Paradigm <br><a href="https://doi.org/10.5281/zenodo.15833816" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.5281/zenodo.1583381</span><span class="invisible">6</span></a> </p><p><a href="https://mstdn.science/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://mstdn.science/tags/computing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>computing</span></a> <a href="https://mstdn.science/tags/technology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>technology</span></a> <a href="https://mstdn.science/tags/innovation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>innovation</span></a> <a href="https://mstdn.science/tags/research" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>research</span></a></p>
planomenon<p>It takes 10 hours on a laptop accurately simulating 5 seconds of a worm wiggling: <a href="https://archive.is/0j2Jp" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">archive.is/0j2Jp</span><span class="invisible"></span></a> (and we still cannot simulate more than 20-30 <a href="https://assemblag.es/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> particles exactly). Please be humble when the universe is present! <a href="https://assemblag.es/tags/modeling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>modeling</span></a> <a href="https://assemblag.es/tags/complexity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>complexity</span></a> (through <span class="h-card" translate="no"><a href="https://post.lurk.org/@loriemerson" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>loriemerson</span></a></span> )</p>
Fabrizio Benedetti<p>“They Just Broke Physics”: Scientists Unveil Quantum Leap That Could Make Silicon Obsolete With 1,000× Faster Electronics - Sustainability Times <a href="https://share.google/RRHgSrbfVPi8gjgZT" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">share.google/RRHgSrbfVPi8gjgZT</span><span class="invisible"></span></a><br><a href="https://mstdn.science/tags/materialscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>materialscience</span></a> <a href="https://mstdn.science/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://mstdn.science/tags/switch" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>switch</span></a> <a href="https://mstdn.science/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>electronics</span></a></p>
Marek Gluza<p>DB-QITE outperforms QPE - at least in the foreseeable future. </p><p>We updated our manuscript <a href="https://arxiv.org/pdf/2412.04554" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/pdf/2412.04554</span><span class="invisible"></span></a> and thanks to the contribution of <a href="https://mathstodon.xyz/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> compilation by Rene Zander and Raphael Seidel(pip install qrisp) we were able to show these results:</p>
Tim Ventura<p>Do wormholes connect entangled particles, and will this lead to warp drives &amp; subspace communication? Dr. Ethan Siegel discusses the massive implications of the ER = EPR conjecture. FULL INTERVIEW: <a href="https://youtu.be/l8m2IwhC1S4" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/l8m2IwhC1S4</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> <a href="https://mastodon.social/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://mastodon.social/tags/StarTrek" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>StarTrek</span></a> <span class="h-card" translate="no"><a href="https://bsky.brid.gy/r/https://bsky.app/profile/startswithabang.bsky.social" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>startswithabang.bsky.social</span></a></span></p>
thezerobit<p>Wow, this youtuber with millions of followers is admitting that he spread misinformation about the <a href="https://anticapitalist.party/tags/quantum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>quantum</span></a> <a href="https://anticapitalist.party/tags/observer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>observer</span></a> effect. He, like many other people, heard that "observing" things caused them behave differently, and believed that there is some magic around our conscious grasp of reality that changes reality. The truth is that "observing" at the quantum level *requires interacting* with a particle, which collapses the wave function. There's no magic about it at all. <a href="https://www.youtube.com/watch?v=t26CRghDFR4" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=t26CRghDFR</span><span class="invisible">4</span></a></p>
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