The hottest Science Substack posts right now

And their main takeaways
Category
Top Science Topics

Is your organisation based on PowerPoint or Excel?

Joshua Gans' Newsletter • 0 implied HN points • 02 Mar 15
🔬 Science Space Exploration Organizational Structure Decision-making Data Collection Collaboration
  1. Organizational structures based on PowerPoint and Excel can lead to different outcomes in data collection and decision-making processes.
  2. Team PowerPoint emphasizes collective decision-making and qualitative trade-offs, leading to comprehensive analyses of common phenomena.
  3. Team Excel focuses on specialized knowledge with separate teams managing instruments, resulting in very complete and specialized data collection but less collaboration.

Pioneering NASA's Earthly Applications

The Climate Historian • 0 implied HN points • 23 Jun 23
🔬 Science Space Exploration Meteorology Technology advancements Environmental Science
  1. NASA launched its first successful weather satellite, TIROS-I, in 1960. This satellite changed how we observed and studied weather patterns from space.
  2. Some leaders at NASA, like William Pickering, wanted to use technology for more than just space exploration. They believed that using satellites could benefit everyday life, like improving weather forecasts and communication.
  3. As the Cold War intensified, the U.S. saw space exploration as a matter of national pride. The massive Apollo program aimed to land a man on the moon and showed the importance of science and engineering for the country's reputation.

John Tyndall: An Insatiable Thirst For Knowledge

The Climate Historian • 0 implied HN points • 24 Mar 22
🔬 Science History Physics Environment Education Research
  1. John Tyndall is known for his work on the greenhouse effect, explaining how gases in the atmosphere trap heat and make Earth livable.
  2. His early education came from a Catholic teacher, John Conwill, which greatly influenced Tyndall despite his family's Protestant background.
  3. Tyndall was dedicated to learning, attending lectures and pursuing a Ph.D. in natural sciences, which led him to significant discoveries in physics and chemistry.

Digital Cohorts and Trials

Digital Epidemiology • 0 implied HN points • 19 May 23
🔬 Science Trials Medicine Public Health
  1. Traditional cohort studies and trials are essential in modern medicine and public health for studying the relationship between exposures and outcomes.
  2. Running conventional cohorts and trials can be costly and challenging due to low participation rates, retention issues, and data collection constraints.
  3. Digital cohorts and trials are conducted digitally, collecting data electronically, which helps in remote and siteless studies, making research more accessible and cost-effective.
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Influential Mathematicians:  Évariste Galois

Quantum Formalism • 0 implied HN points • 08 Sep 20
🔬 Science Mathematics Quantum Mechanics Group Theory Biography
  1. Evarist Galois developed Galois Theory, revolutionizing abstract algebra, despite facing personal struggles and tragedy in his life.
  2. Group Theory, inspired by Galois' work, plays a crucial role in quantum formalism, with concepts like unitary operators forming a group structure.
  3. Although Galois didn't directly contribute to quantum formalism, his mathematical legacy continues to influence and shape modern mathematical frameworks.

Mathematical Abstraction Survey

Quantum Formalism • 0 implied HN points • 12 Sep 20
🔬 Science Mathematics Survey Abstraction
  1. A pre-lecture survey on mathematical abstraction is available to help adjust content and approach for the upcoming live session.
  2. Those attending the live session can look forward to it happening next Friday.
  3. For those not able to attend, there is the option to subscribe to the YouTube channel where the live session recording will be uploaded.

A Quantum Journey With Amira Abbas

Quantum Formalism • 0 implied HN points • 19 Oct 20
🔬 Science Quantum physics Education
  1. There is a fireside chat event featuring Amira Abbas, where Soham Pal will introduce Amira and host the Q&A session. It's a great opportunity to learn about Amira's quantum journey.
  2. For those unable to attend the fireside chat event, a recording will be available on YouTube. This allows people to catch up later if they miss the live event.
  3. The event organizer, Bambordé, is actively involving community members in hosting the event, showing appreciation for their contributions. This helps foster a sense of community and recognition among participants.

Lecture 10

Quantum Formalism • 0 implied HN points • 27 Nov 20
🔬 Science Physics Mathematics
  1. The lecture covers the general linear group GL(2, C) and the special linear group SL(2, C).
  2. Future sessions will discuss the unitary group U(2) and the special unitary group SU(2).
  3. There are concerns about YouTube running ads on videos, potentially leading to removal of lecture videos due to content disagreements and algorithm filtering issues.

Session 15 on YouTube

Quantum Formalism • 0 implied HN points • 16 Jan 21
🔬 Science Physics
  1. Session 15 is now available on YouTube with a fixed typo.
  2. There is a plan to create a mini-lecture series on representation theory after the foundation module and before the advanced module.
  3. The mini-lecture series on representation theory might take place in the summer.

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.

Monday Curiosity Links

Grist Potentia • 0 implied HN points • 05 Feb 24
🔬 Science History Philosophy Nature
  1. On February 5, 1971, Apollo 14 landed on the Moon collecting 94.35 pounds of Moon rocks.
  2. The book 'Gödel, Escher, Bach' had a significant influence on the author's life.
  3. Forests exhibit a mesmerizing law that breaks the norms found throughout nature.

Discovering the Stratosphere

The Climate Historian • 0 implied HN points • 28 Oct 22
🔬 Science Atmosphere Meteorology Environmental Science Physics
  1. The atmosphere is crucial for life on Earth. It keeps our planet warm and protects us from harsh conditions.
  2. Léon-Philippe Teisserenc de Bort discovered the stratosphere by launching balloons to measure temperature at high altitudes. This showed that the air doesn't always get colder as you go higher.
  3. Teisserenc de Bort named the layers of the atmosphere, calling the lower part the troposphere, which holds our weather, and the upper part the stratosphere, where the temperature starts to rise due to the ozone layer.

Guy Stuart Callendar

The Climate Historian • 0 implied HN points • 05 Oct 22
🔬 Science Climate change Meteorology Environmental Science
  1. Guy Stuart Callendar connected human-made carbon dioxide to global warming through his research. He discovered that burning fossil fuels increases carbon dioxide levels in the atmosphere.
  2. During a tough time in Europe, many people turned to authoritarian leaders, which led to events like the annexation of Austria by Germany. These political changes created further instability in the region.
  3. Callendar's work emphasized the need to understand how human activities impact Earth’s climate. Though his findings were initially overlooked, they laid important groundwork for later climate science discussions.

Linear regression in multiple variables

The Palindrome • 0 implied HN points • 05 Mar 24
🔬 Science Mathematics Machine Learning Regression Data Analysis
  1. Real datasets often have multiple features, going beyond a single variable. Understanding how to handle multiple variables is crucial in machine learning.
  2. Linear regression can be generalized to handle multiple variables by using a regression coefficient vector and a bias term.
  3. The parameters of a multivariable linear regression model help define a d-dimensional plane, providing a way to map feature vectors to target values in a straightforward manner.

Jean-Batiste Joseph Fourier: The Analytical Theory of Heat

The Climate Historian • 0 implied HN points • 18 Mar 22
🔬 Science Mathematics Physics Climate History Theory
  1. Joseph Fourier greatly impacted how scientists understand heat transfer and functions. His work introduced new equations that describe how heat moves through solids.
  2. Fourier was not just a mathematician; he was also deeply involved in the political scene during the French Revolution, even ending up in prison for his beliefs.
  3. In his studies, Fourier explained how the Earth gets its heat from the sun, stars, and its own core. He was one of the first to bring attention to the concept of the greenhouse effect.

Where Bayes Falls Short

As Clay Awakens • 0 implied HN points • 30 May 23
🔬 Science Statistics Machine Learning Neural Networks Deep Learning
  1. Deep learning algorithms are powerful for intelligence and learning, especially in contexts where Bayes' theorem falls short.
  2. Simpson's paradox shows how data separation can change conclusions based on initial beliefs.
  3. Deep learning approaches in regression tasks offer solutions without the need for ad-hoc choices, allowing for better predictions and generalization.

Book Review: "Thinking in Systems: A Primer" by Donella H. Meadows 4/5

Poczwardowski Notes • 0 implied HN points • 17 Aug 21
🔬 Science Systems Thinking Environment Interconnectedness
  1. The book provides a comprehensive introduction to system thinking, starting with basic examples and progressing to more complex ones.
  2. Using system thinking lenses to view the world can be a valuable tool in understanding interconnected systems and forces at play.
  3. Perceiving the world as a network of interconnected systems is highlighted as an essential perspective, particularly by environmental scientist Donella Meadows, emphasizing the importance of understanding nature's complex connections.

Tuesday Curiosity Links

Grist Potentia • 0 implied HN points • 30 Jan 24
🔬 Science History AI Mathematics
  1. Douglas Engelbart, a pioneer in computer technology, created the computer mouse and more innovations in human-computer interaction.
  2. Lessons from history's top R&D labs offer valuable insights for innovation.
  3. Implementing a 4-day workweek and cutting employee salaries by 20% helped a CEO save their company from layoffs.

Hello 2023!

Quantum Formalism • 0 implied HN points • 10 Jan 23
🔬 Science Mathematics Quantum Computing Mentorship
  1. The course will cover Measure Theory, Functional Analysis, and delve into infinite-dimensional Hilbert spaces.
  2. A crash course on Category Theory is planned, focusing on topics like Functors, Adjoint Functors, and its applications in various mathematical areas.
  3. A Quantum computing PoC microgrant scheme will be initiated, offering grants and mentorship to work on projects related to advanced mathematical topics.

Monday Curiosity Links

Grist Potentia • 0 implied HN points • 29 Jan 24
🔬 Science History Space Psychology
  1. Oprah Winfrey overcame a tough childhood to become a successful talk show host and media mogul.
  2. Antarctic fungi survived Martian conditions on the International Space Station.
  3. Gravity helped demonstrate the strength of the strong force in the proton.

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.

Classical-to-Quantum Sequence Encoding in Genomics

Quantum Formalism • 0 implied HN points • 13 Apr 23
🔬 Science Genomics Quantum Computing Bioinformatics Machine Learning
  1. A special webinar on classical-to-quantum sequence encoding in genomics will take place tomorrow at 4 pm GMT with key insights presented by the team working on QF's data encoding challenge.
  2. The webinar abstract highlights innovative methods that combine diverse fields like Electrical Engineering, Information Theory, and Neural Networks to create efficient data encoding schemes for genomics.
  3. The research explores utilizing lossless compression, wavelet-based encoding, and information entropy in developing classical-to-quantum data encoding methods, offering implications for the future of bioinformatics and quantum computing.

Book Review: "The Great Mental Models: Physics, Chemistry and Biology" Vol. 2 - by Farnam Street 4/5

Poczwardowski Notes • 0 implied HN points • 01 Feb 23
🔬 Science Physics Chemistry Biology Mental models
  1. The second volume of 'The Great Mental Models' explores physics, chemistry, and biology, offering practical and timeless concepts that can improve our thinking.
  2. The second book maintains the high quality aesthetic of the first volume but feels more practical and grounded in the laws of nature.
  3. Exploring concepts from various scientific branches, such as those presented in the book, supports multidisciplinary thinking, helping us solve problems better and avoid repeating mistakes.

Live Session One Replay on YouTube.

Quantum Formalism • 0 implied HN points • 30 Sep 23
🔬 Science Quantum Mechanics Live session Course
  1. A quantum hardware course has started, with the first live session replay available on YouTube.
  2. The initial lecture covers core content, while there's a preview of the upcoming mathematical tools of Quantum Mechanics.
  3. Late admissions to the course are possible, with replay access on YouTube, but live session participation is for admitted students only.

The Hilbert Space Formalism of Quantum Mechanics.

Quantum Formalism • 0 implied HN points • 14 Oct 23
🔬 Science Quantum Mechanics Physics
  1. Understanding the mathematical concepts of Hilbert spaces and Operators empowers in comprehending quantum mechanics and hardware.
  2. Delving into mathematics of Hilbert spaces and Operators can be beneficial for various quantum topics like error correction and machine learning.
  3. Even if you're not taking the quantum hardware course, learning about Hilbert spaces and Operators independently can be valuable for exploring quantum subjects.

Lecture 9 Invite + Nicolas Bourbaki

Quantum Formalism • 0 implied HN points • 10 Nov 20
🔬 Science Mathematics Physics
  1. Invitations have been sent out for the next live session, so make sure to check your email if you attended the previous one.
  2. There is a group called Nicolas Bourbaki, a secretive math society that has notable members like Jean-Pierre Serre and Alain Connes.
  3. Noncommutative Geometry and C*-algebras, topics linked to physics, will be covered in the advanced module next year.

The future of energy is modular

cleanenergyreview • 0 implied HN points • 21 May 24
🔬 Science Energy Clean Energy Technology Engineering
  1. The future of energy is shifting towards modular systems, which can streamline planning and design, reduce construction time, stabilize risks, and optimize costs.
  2. Modular clean energy solutions benefit from more homogeneous resources and allow for repeated deployment at scale, driving down costs and increasing efficiency.
  3. The focus on modularity spans from specific parts of subsystems to entire systems, creating opportunities for standardization, cost reduction, and widespread deployment.

Harnessing Voltage from a Height

Satisologie: Systems//Creativity • 0 implied HN points • 25 Jan 25
🔬 Science Energy Physics Environment Innovation Technology
  1. There is a natural voltage difference in the atmosphere that grows with height, meaning higher points can collect more electricity. It's like how a tall radio tower picks up signals from far away.
  2. You could theoretically collect this energy by hanging a wire high up in the air. The challenge is finding a way to lift that wire without using much energy.
  3. One idea is to use a corkscrew shape in moving water; as the water flows, it could help raise the wire. It’s a mix of creative thinking and natural forces working together.

2021 Kickstart

Quantum Formalism • 0 implied HN points • 10 Jan 21
🔬 Science Quantum physics
  1. The first session of 2021 is available on YouTube with corrected slides on GitHub.
  2. There are physics-oriented quantum theory lectures recommended by Aggie Branczyk on PIRSA.
  3. Registration for the next quantum axioms and operators session is open on Crowdcast.

Feynman: Mathematicians vs Physicists

Quantum Formalism • 0 implied HN points • 07 Sep 21
🔬 Science Mathematics Physics
  1. Feynman highlighted the cultural differences between mathematicians and physicists, emphasizing that mathematicians have the freedom to do things their way without criticism.
  2. Feynman's invention of the 'Feynman Path Integral' showcased that innovative techniques can produce results even without strict mathematical rigor.
  3. The talk underlines the importance of individual freedom in pursuing different approaches to problem-solving in science.

The Hidden Heroes of the Genome

Nano Thoughts • 0 implied HN points • 18 Dec 24
🔬 Science Genetics Molecular Biology Biotechnology Health Bioinformatics
  1. Long non-coding RNAs (lncRNAs) were once thought to be useless 'junk DNA,' but they actually play important roles in regulating our genes and maintaining cellular stability.
  2. Recent advancements in lncRNA research are leading to better cancer diagnostics and new treatments, showing their potential as key players in medicine.
  3. The study of lncRNAs challenges our old views of genetics and shows that biological systems are much more complex and interconnected than we previously thought.