The hottest Quantum Substack posts right now

And their main takeaways
Category
Top Technology Topics

An Introduction to Quantum Entanglement

Fields & Energy • 279 implied HN points • 18 Aug 24
🔬 Science Physics Quantum Technology Communication Innovation
  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.

What's Quantum Computing

Technically • 59 implied HN points • 28 Jan 25
🕹 Technology Computing Quantum Innovation Research Engineering
  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.

Weekly Dose of Optimism #124

Not Boring by Packy McCormick • 116 implied HN points • 13 Dec 24
🕹 Technology AI Quantum Computing Robotics Innovation
  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 Space Quantum AI Medicine Crypto
  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.

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

Critical Mass • 4 implied HN points • 10 Feb 25
🔬 Science Physics Quantum Life Environment Technology
  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.
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Transformers are Eating Quantum

TheSequence • 217 implied HN points • 24 Nov 24
🕹 Technology AI Quantum Computing Machine Learning Innovation
  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.

1.2 A New Understanding

Fields & Energy • 319 implied HN points • 08 Nov 23
🔬 Science Physics Quantum Electromagnetism
  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 Cognition AI Quantum Ethics
  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.

Time in a timeless universe (part 2)

Sam’s Newsletter • 98 implied HN points • 09 Mar 23
🔬 Science Physics Philosophy 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.

Quantum thermodynamics

Sam’s Newsletter • 58 implied HN points • 03 May 23
🔬 Science Quantum Thermodynamics
  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.

A review of Principia Qualia

Unstabler Ontology • 19 implied HN points • 29 Jun 23
🔬 Science Consciousness Quantum Neurobiology Philosophy Artificial Intelligence
  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.

Module II Crash Course Prerequisite: Basic Real Analysis

Quantum Formalism • 19 implied HN points • 10 May 21
🚌 Education Mathematics Physics Quantum Research
  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.

Influential Mathematicians: Emmy Amalie Noether

Quantum Formalism • 0 implied HN points • 29 Jun 20
🔬 Science Mathematics Quantum Algebra Abstract Physics
  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 Physics Quantum Materials Technology Research
  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 Computing Cryptography Quantum Security Innovation
  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.

Session 15 Reminder

Quantum Formalism • 0 implied HN points • 14 Jan 21
🚌 Education Science Mathematics Physics Quantum
  1. The session covers topics like Eigenvectors & Eigenvalues, Spectrum & Eigenspaces, Diagonalization, and The Spectral Theorem for Hermitian matrices.
  2. Newcomers are welcome, but may find it challenging if they haven't covered previous sessions or don't have a background in relevant university-level physics/mathematics.
  3. The upcoming session will focus on Quantum Axioms, the Shut up & Calculate Challenge, and Study Material Comments.

Session 16 on YouTube

Quantum Formalism • 0 implied HN points • 23 Jan 21
🔬 Science Quantum Evolution
  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 Mathematics Topology Deep Learning
  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.

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

Quantum Formalism • 0 implied HN points • 13 Jan 23
🔬 Science Physics Quantum Communication Networks Internet
  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.