The hottest Quantum Substack posts right now

And their main takeaways
Category
Top Technology Topics

🚀 FP! Week In Review, Briefly #24

Faster, Please! • 1005 implied HN points • 07 Mar 26
🕹 Technology Quantum
  1. When governments label tech firms as national security risks for refusing certain military uses, it creates political loyalty tests that scare off investors and can slow innovation.
  2. Multiple breakthrough technologies—AI/AGI, nuclear, quantum, genomics, and space—are accelerating at once and driving a global race for economic and strategic leadership.
  3. That rapid progress brings real risks: geopolitical shocks can disrupt chip and supply chains, data centers raise energy and inflation concerns, and job losses and public backlash are growing policy challenges.

An Introduction to Quantum Entanglement

Fields & Energy • 279 implied HN points • 18 Aug 24
🔬 Science Quantum
  1. Quantum entanglement happens when two particles are linked, so changing one changes the other right away, no matter how far apart they are. It's a strange and fascinating concept that Einstein called 'spooky action at a distance.'
  2. This effect has practical uses like Quantum Key Distribution (QKD) for super secure communication. But there are challenges, such as keeping the entanglement stable and dealing with issues that disrupt it over long distances.
  3. Even though quantum tech is still complex and expensive, it might inspire new ideas for amateur radio operators. Staying informed about these advancements could lead to innovative practices in their field.

The Unbreakable Message

Who is Robert Malone • 15 implied HN points • 28 Feb 26
🕹 Technology Quantum
  1. Quantum communication uses quantum physics to make eavesdropping detectable, so intercepted messages can't be silently copied or later decrypted. This prevents the "harvest now, decrypt later" threat.
  2. Militaries, intelligence agencies, and banks are prioritizing quantum links for the most sensitive communications because the technology can provide a lasting strategic advantage. Whoever builds the networks and standards first could shape the global information architecture and force others to choose sides.
  3. Practical limits remain—photons are lost in fiber, quantum repeaters are needed, and current hardware is expensive and low-bandwidth—so broad consumer use is likely decades away. Once repeaters and miniaturization mature, a quantum internet and distributed quantum computing could reshape security, finance, healthcare, and science.

1.2 A New Understanding

Fields & Energy • 319 implied HN points • 08 Nov 23
🔬 Science Quantum
  1. Reality is made up of two separate things: fields and particles. They work together to create the world we see.
  2. Electromagnetism is guided by fields that act like waves, while energy behaves like particles at the quantum level.
  3. This new approach shows that instead of thinking of light as just photons, we should view it as energy guided by fields.

Robust Cognitive Strategies for Resource-Rich Minds

Eurykosmotron • 353 implied HN points • 26 Apr 23
🕹 Technology Quantum
  1. Living in scarcity shapes our thinking and behavior, but abundance can lead to new cognitive strategies.
  2. Feasible abundance can change how we approach problem-solving and relationships, leading to more optimism for the future.
  3. With abundant cognitive resources, we could develop new strategies like sampling from possible multiverses and maintaining a history of prior versions.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

Transformers are Eating Quantum

TheSequence • 217 implied HN points • 24 Nov 24
🕹 Technology Quantum
  1. Quantum computing faces challenges due to noise affecting performance. AI, specifically AlphaQubit, helps improve error correction in quantum systems.
  2. AlphaQubit uses a neural network design from language models to better decode quantum errors. It shows greater accuracy and adapts to various data types effectively.
  3. While AlphaQubit is a major step forward, there are still issues to tackle, mainly concerning its speed and ability to scale for larger quantum systems.

Time in a timeless universe (part 2)

Sam’s Newsletter • 98 implied HN points • 09 Mar 23
🔬 Science Quantum
  1. Newton introduced the concept of absolute time, separate from change that physical systems undergo.
  2. Absolute time is an ethereal concept outside our universes, while clock time is a more physical representation of time.
  3. Barbour proposed a theory of time where different 'times' are viewed as different 'worlds' coexisting in a timeless block.

Weekly Dose of Optimism #124

Not Boring by Packy McCormick • 116 implied HN points • 13 Dec 24
🕹 Technology Quantum
  1. Google's new quantum chip, Willow, makes huge advances, allowing it to perform complex calculations much faster than traditional computers. This could lead to amazing breakthroughs in areas like medicine and materials science.
  2. OpenAI is showcasing its latest technologies during '12 Days of OpenAI,' introducing tools that improve AI's abilities in reasoning, video creation, and more, showing how quickly AI is evolving.
  3. Caltech developed tiny robots that can deliver medicine directly to specific parts of the body, potentially making treatments more effective and reducing side effects. This technology could transform how we treat various diseases.

Weekly Dose of Optimism #121

Not Boring by Packy McCormick • 113 implied HN points • 22 Nov 24
🕹 Technology Quantum
  1. SpaceX successfully launched its Starship rocket, showing impressive advancements in reusable spacecraft technology. This progress is critical for potential lunar and Mars missions in the future.
  2. Javier Milei, the President of Argentina, has implemented significant economic reforms that have led to positive results like reducing inflation and achieving a fiscal surplus. His methods may influence similar government efficiency efforts in other countries.
  3. A breakthrough in quantum technology introduced a new type of qubit using mechanical vibrations. This can help improve quantum computing and create advanced technologies for various industries.

Quantum thermodynamics

Sam’s Newsletter • 58 implied HN points • 03 May 23
🔬 Science Quantum
  1. Quantum theory applies to both small and large systems, outperforming classical mechanics.
  2. The third law of thermodynamics, proposed by Nernst in 1906, states that entropy is zero at zero Kelvin.
  3. Einstein's quantum theory-based model of solids resolved conflicts with the third law, later refined by Debye to include lattice vibrations.

What's Quantum Computing

Technically • 59 implied HN points • 28 Jan 25
🕹 Technology Quantum
  1. Quantum computing uses qubits instead of bits. While bits can be either 0 or 1, qubits can be both at the same time, allowing for much faster problem-solving.
  2. Qubits can work together in a unique way, using superposition and interference to find answers much faster than traditional computers. This makes them great for complex problems like drug discovery.
  3. Quantum computers are still in the experimental stage and have challenges like needing very cold temperatures and handling errors, but they hold great promise for the future.

A review of Principia Qualia

Unstabler Ontology • 19 implied HN points • 29 Jun 23
🔬 Science Quantum
  1. The paper discusses the motivation behind bottom-up physicalist consciousness theories and the importance of studying valence for determining the goodness or badness of an experience.
  2. A review of Integrated Information Theory (IIT) along with its variants and criticisms is presented, highlighting the complexities surrounding defining consciousness.
  3. The proposal of symmetry as a theory of valence is critiqued for potentially oversimplifying the complexities of consciousness and valence, emphasizing the need for a more comprehensive understanding.

20250824

Curious futures (KGhosh) • 4 implied HN points • 24 Aug 25
🕹 Technology Quantum
  1. AI is making big strides in science, helping discover new things that humans might overlook. It's a tool that can come up with smarter ways to run experiments.
  2. Many people struggle with their relationship to technology, often feeling addicted to AI and feeling like they lose out on real-life experiences. It's important to find a balance between tech and living life fully.
  3. The world is changing dramatically, with new tech affecting jobs, education, and how we interact. Embracing these changes while staying true to human connection is key.

(Ad-free Video) What's New in Science With Sabine and Lawrence

Critical Mass • 4 implied HN points • 10 Feb 25
🔬 Science Quantum
  1. A new podcast series will discuss exciting science stories every month, featuring experts Sabine Hossenfelder and Lawrence Krauss. They're both knowledgeable and will provide unique perspectives on current events in science.
  2. The discussions aim to go beyond the simple headlines and hype, offering deeper insights into topics like quantum computing, climate change, and more. This approach helps clarify complex issues that often get oversimplified in the news.
  3. The podcast emphasizes that science is a collaborative effort, showcasing how scientists debate and build on each other's ideas. This makes the podcast not just informative but also a peek into the dynamic world of scientific discourse.

Module II Crash Course Prerequisite: Basic Real Analysis

Quantum Formalism • 19 implied HN points • 10 May 21
🚌 Education Quantum
  1. Understanding basic real analysis, like open intervals and closed intervals, is important for the upcoming crash course on Point-Set Topology and standard topology.
  2. Being challenged to work with abstract concepts can help in feeling comfortable before starting Module II.
  3. Learning sophisticated mathematics can better prepare individuals for making theoretical contributions in physics or quantum information.

Session 16 on YouTube

Quantum Formalism • 0 implied HN points • 23 Jan 21
🔬 Science Quantum
  1. The post shares Session 16 on YouTube covering the concept of unitary evolution in quantum.
  2. The session marks the penultimate one of the foundation module, with invites for the final one to follow soon.
  3. The author, Bambordé Baldé, wishes everyone a happy weekend at the end of the post.

Lie Theory Prerequisite

Quantum Formalism • 0 implied HN points • 28 Apr 21
🔬 Science Quantum
  1. The post provides a crash course motivation and schedule for Lie Theory, encouraging viewers to watch preparatory material on YouTube and offering usage cases outside of mathematics for motivation.
  2. Highlighted articles and studies demonstrate real-world applications of Lie Theory in areas like quantum computation, deep learning, and unitary operators in quantum mechanics.
  3. The presenter provides access to slides and recommended study materials on GitHub, emphasizing the importance of preparation before the upcoming course session on Lie Theory.

Quantum Industry Fellowship Scheme

Quantum Formalism • 0 implied HN points • 15 Jul 21
🕹 Technology Quantum
  1. A pilot quantum career fellowship scheme is being introduced for community members to gain industry opportunities.
  2. The fellowship scheme will have limited places, making the selection process highly competitive.
  3. Interested individuals can express their interest by filling out a form and attending information sessions.

Lecture 4 Registration

Quantum Formalism • 0 implied HN points • 10 Aug 21
🚌 Education Quantum
  1. Lecture 4 registration for the topology crash course is now open
  2. Participants will be guided towards understanding topological manifolds in upcoming lectures
  3. There's an invitation to join the Discord community server

Physics-informed Quantum Communication Networks: A Vision Towards the Quantum Internet.

Quantum Formalism • 0 implied HN points • 13 Jan 23
🔬 Science Quantum
  1. The webinar focuses on quantum communication networks with an emphasis on physical implementation and the vision of a Quantum Internet.
  2. Interested individuals can register for the webinar using the provided link to learn more about the exciting developments in quantum technology.
  3. Participants are encouraged to share the webinar details with their networks to create an interactive session with a wide audience.

Influential Mathematicians: Emmy Amalie Noether

Quantum Formalism • 0 implied HN points • 29 Jun 20
🔬 Science Quantum
  1. Emmy Noether, despite facing discrimination as a woman in academia, made significant contributions to mathematics and physics.
  2. Noether's work in invariant theory and abstract algebra, along with her collaborations, influenced the development of advanced algebraic tools used in treating quantum formalism.
  3. Noether played a mentorship role in shaping the career of another influential female mathematician, Grete Hermann, who made important contributions to the foundations of quantum mechanics.

Diamonds, Quantum and Beyond

Sector 6 | The Newsletter of AIM • 0 implied HN points • 23 Feb 23
🔬 Science Quantum
  1. Diamonds could play a big role in quantum computing, which is very cool because they are not just pretty stones.
  2. Scientists have found that diamonds can hold and preserve quantum states for a while, making them useful for data storage and calculations.
  3. This area of research is still developing, and there’s so much more to discover about how diamonds can be used in technology.

Diamond Cuts Diamond

Sector 6 | The Newsletter of AIM • 0 implied HN points • 20 Feb 23
🕹 Technology Quantum
  1. Classical computers, which use binary codes, are at risk because of the rise of quantum computing. This new technology opens up vulnerabilities in the encryption systems we currently rely on.
  2. To protect against quantum threats, experts are looking at solutions like Quantum Key Distribution (QKD) and Post-Quantum Cryptography (PQC). These approaches aim to keep our data safe from future attacks.
  3. The idea is that the best way to fight the challenges posed by quantum computing is by using quantum computing itself. It's a kind of 'use fire to fight fire' approach.