The hottest Physics Substack posts right now

And their main takeaways
Top Science Topics
Marcus on AI β€’ 3589 implied HN points β€’ 02 Mar 24
  1. Sora is not a reliable source for understanding how the world works, as it focuses more on how things look visually.
  2. Sora's videos often depict objects behaving in ways that defy physics or biology, indicating a lack of understanding of physical entities.
  3. The inconsistencies in Sora's videos highlight the difference between image sequence prediction and actual physics, emphasizing that Sora is more about predicting images than modeling real-world objects.
Secretum Secretorum β€’ 1768 implied HN points β€’ 27 Jan 24
  1. Through history, reasoning based on limited information has led to dangerous outcomes, like chronic cyanide poisoning and scurvy.
  2. Some scientific problems, like understanding heredity, have been challenging due to complexity and the need for exceptional datasets.
  3. To escape epistemic hells, radical ideas, serendipity, unlearning prior knowledge, and persistence are vital.
Everything Is Amazing β€’ 1425 implied HN points β€’ 06 Feb 24
  1. Space exploration faces challenges like the vastness of space and technological limitations.
  2. JPL has a track record of extending mission goals for spacecraft, showcasing innovation and efficiency.
  3. Theoretical concepts like FTL drives and warp drives may be intriguing, but the feasibility remains uncertain due to scientific principles and practical challenges.
Numlock News β€’ 766 implied HN points β€’ 18 Jan 24
  1. The National Baseball Hall of Fame faced a significant financial decline in revenue and attendance in 2022.
  2. Walmart's financial services became a target for scammers, leading to billions of dollars in fraud.
  3. Biologists are concerned about the extinction of tetrapod species, with around 856 currently missing and presumed extinct.
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Asimov Press β€’ 270 implied HN points β€’ 20 Feb 24
  1. The concept of viewing time differently through the lens of the Minute Man and the Millennium Man prompts questions about our understanding of speed and time in the world.
  2. Biological processes at the cellular level can occur at astonishing speeds, with enzymes performing millions of chemical reactions per second and protein 'motors' spinning thousands of times a minute.
  3. Scientists use innovative experiments to directly observe rapid biological processes, such as watching ATP synthase spin or tracking ribosomes moving along messenger RNA strands, to gain a deeper understanding of the intricate workings of life.
Remote View β€’ 334 implied HN points β€’ 28 Jan 24
  1. The post discusses the concept of intrigue both as a verb and a noun.
  2. The post announces a livestream on January 28, 2024, at 22:00 CET, discussing thoughts from a book by Robert Temple.
  3. The post provides various references, including books, articles, and research papers on topics like science, plasmoids, and cold war technology.
lifeboat β€’ 530 implied HN points β€’ 20 Dec 23
  1. Darkness can reveal different kinds of understanding and truths that are often hidden in the light.
  2. The universe is much wilder and darker than we once thought, with most matter invisible and elusive like dark matter.
  3. Dark matter, although invisible, plays a crucial role in creating stars and light, showing that the source of substance and energy is found in the unlit spaces between things.
Gordian Knot News β€’ 183 implied HN points β€’ 18 Feb 24
  1. Fusion faces difficult technical challenges like damage to the first wall, intense heat transfer, and high maintenance due to activation of materials.
  2. Achieving economic viability in fusion is a major hurdle, with immense parasitic loads and a fusion gain ratio that can be a significant challenge to achieve.
  3. Standard fusion processes like using deuterium and tritium result in energy losses due to the need for high quality energy input, which makes fusion less self-sustaining than fission.
Compounding Quality β€’ 216 implied HN points β€’ 08 Feb 24
  1. Isaac Newton is famous for his Laws of Motion in physics and mathematics.
  2. Newton's Laws of Motion are fundamental to classical mechanics and still widely used today.
  3. This post about Newton's Laws of Motion is for paid subscribers.
An Insult to Intuition β€’ 1454 implied HN points β€’ 26 Jun 23
  1. Kennedy discussed the potential effects of Atrazine on organisms like frogs and mammals, sparking a debate on environmental toxins.
  2. The story shared analogies between a hypothetical alien civilization and current human societal challenges, emphasizing the importance of humility and balance.
  3. There was a discussion on the perceived health risks of WiFi radiation, highlighting the need for thoughtful consideration and humility in scientific discourse.
Doomberg β€’ 115 implied HN points β€’ 29 Feb 24
  1. This post discusses the importance of nuclear energy as a baseload power source.
  2. The session with physicist James Krellenstein provides insights into the technology and its value chain.
  3. The content is exclusively available for subscribers in the Doomberg Pro plan.
Wednesday Wisdom β€’ 113 implied HN points β€’ 21 Feb 24
  1. Experience and age often bring wisdom, knowledge, and a unique perspective.
  2. In technology, while tools and capabilities have evolved, fundamental principles like people dynamics, math, and physics remain constant.
  3. Despite advancements, people still struggle with basic math, concurrent programming, and effective communication in group settings.
Philosophy for the People w/Ben Burgis β€’ 319 implied HN points β€’ 03 Dec 23
  1. Philosopher Philip Goff and physicist Sabine Hossenfelder concluded their Twitter debate on electrons and alternate universes.
  2. The discussion highlights the intersection of philosophy and physics in understanding ontological commitments.
  3. The resolution between Goff and Hossenfelder signifies an end to the Great Electron Twitter War of 2023.
The Egg And The Rock β€’ 963 implied HN points β€’ 21 Feb 23
  1. A river is more than just a static object, it is a dynamic process that is constantly changing and flowing.
  2. Our language often limits our understanding of the world by categorizing things as objects rather than actions.
  3. The river is part of a larger cycle, influenced by natural forces like gravity and the sun, showing the interconnectedness of all elements in nature.
The Egg And The Rock β€’ 589 implied HN points β€’ 28 Jun 23
  1. Tomorrow there will be an announcement about predictions on gravitational waves from the International Pulsar Timing Array.
  2. Gravitational waves are ripples in spacetime caused by accelerating masses; they're detected by length changes.
  3. The International Pulsar Timing Array uses pulsars and telescopes to hunt for supermassive black hole mergers, with the potential for groundbreaking discoveries.
α΄‹ΚŸα΄€α΅Ύs β€’ 628 implied HN points β€’ 15 Jun 23
  1. Former government officials have revealed details about UFO crash retrieval programs involving non-human intelligence and advanced materials.
  2. The use of topological materials in UFO technology could explain exotic properties, like strange isotopes and materials able to deform into higher dimensions.
  3. Connections between the human brain's multi-dimensional functions and UFO phenomena could suggest a link between consciousness and unexplained aerial phenomena.
The Lunar Dispatch β€’ 648 implied HN points β€’ 08 Mar 23
  1. Progress in creating theoretical spacetime tunnels like wormholes has been slow.
  2. Albert Einstein, known for his scientific achievements and humanitarianism, had a complex private side.
  3. With the advent of quantum computers, concerns arise about privacy and the need for mutual forgiveness in the face of revealed dark sides.
Secretum Secretorum β€’ 707 implied HN points β€’ 16 Feb 23
  1. Some scientists challenge the traditional definition of life, suggesting that stars exhibit life-like behaviors such as metabolism and reproduction.
  2. There are radical theories proposing that stars possess consciousness and engage in purposeful actions, influencing life on Earth.
  3. The concept of cosmological natural selection suggests that black holes may play a role in giving rise to new universes, embodying evolutionary principles at a cosmic scale.
Counting Atoms β€’ 58 implied HN points β€’ 08 Feb 24
  1. The book 'The Making of the Atomic Bomb' by Richard Rhodes provides a comprehensive history of the Manhattan Project and includes a lot of vivid scientific details.
  2. Leo Szilard plays a central role in the story, from inspiring the idea of nuclear chain reactions to trying to prevent the use of atomic bombs.
  3. The book can be overwhelming due to the multitude of people and organizations involved, but it offers a rich tapestry of science and history.
α΄‹ΚŸα΄€α΅Ύs β€’ 393 implied HN points β€’ 16 May 23
  1. Ancient structures like Stonehenge and the pyramids across the world raise questions about lost technology and potential ancient civilizations' advanced knowledge.
  2. Nazi scientists explored antigravity technology based on different physics approaches than the West, leading to speculation on advanced tech development during World War II.
  3. The concept of a cargo cult relates to ancient cultures integrating advanced technologies into their beliefs, like indigenous tribes using airdrops as inspiration for rituals.
Ulysses β€’ 359 implied HN points β€’ 05 Apr 23
  1. Fusion energy promises clean, pollution-free energy that can be built anywhere and lasts millions of years without geopolitical disputes over fuel reserves.
  2. Different fusion technologies like magnetic confinement, inertial confinement, and magneto-inertial confinement offer diverse approaches to achieving fusion reactions with varying benefits and challenges.
  3. Developing fusion energy requires extensive funding, traditional engineering solutions, and expertise underscoring a journey to harness limitless energy potential.
Maximum Effort, Minimum Reward β€’ 127 implied HN points β€’ 21 Oct 23
  1. The color cerulean comes from the Latin word for sky and should represent the color of the sky.
  2. Rayleigh scattering explains why the sky appears blue - shorter wavelengths scatter more.
  3. Calculating the color of Anne Hathaway's cerulean sweater using physics resulted in a color close to the original, proving Meryl Streep's character in 'The Devil Wears Prada' was correct.
Remote View β€’ 275 implied HN points β€’ 02 Apr 23
  1. The O-Day - Evening post discusses the electromagnetic properties of the Great Pyramid.
  2. The post delves into the connections between alchemy, sacred geometry, and the 'Great Work'.
  3. There are references to scientific articles and historical figures within the context of the post.
Bzogramming β€’ 30 implied HN points β€’ 29 Jan 24
  1. The physical constraints of computing, such as distance and volume, significantly impact performance and efficiency.
  2. Parallelism at different scales within a program can affect latency and performance, offering opportunities for optimization.
  3. Considerations like curvature of computation, square-cube law, and heat generation play a crucial role in the design and limitations of computer chips.