The hottest Space Substack posts right now

And their main takeaways
Category
Top Science Topics
Faster, Please! β€’ 1188 implied HN points β€’ 11 Jan 25
  1. New advancements in nuclear fusion research are making it more likely to achieve clean energy from nuclear fusion, which could be a big step for sustainable energy.
  2. Uber and Lyft are shifting from developing self-driving cars to using other companies' technologies for driverless taxis, aiming to be platforms for this emerging market.
  3. AI technology is being used in innovative ways, like interpreting speech through throat vibrations, which can help people with speech difficulties.
Faster, Please! β€’ 822 implied HN points β€’ 18 Jan 25
  1. New obesity drugs are being developed that can help people lose a lot of weight quickly. These breakthroughs could make treatments more accessible and affordable for many people.
  2. Companies are working on exciting projects like reviving extinct species and creating new ways to explore the moon. These innovations could greatly impact conservation and space travel.
  3. There are serious challenges ahead, like rising dementia cases and declining birth rates, which could hurt the economy. Without action, these issues could have major effects on future generations.
Not Boring by Packy McCormick β€’ 129 implied HN points β€’ 31 Jan 25
  1. Boom Supersonic has successfully tested its XB-1 jet, marking a big step toward commercial supersonic flights. This could cut flight times significantly, like from New York to London in about three and a half hours.
  2. DeepSeek's new AI model shows it's possible to train a top-level AI for much less money than before. This could make AI more affordable and accessible for various uses.
  3. Science Corp is experimenting with brain-computer interfaces that blend lab-grown neurons with animal brains. This technology could enhance brain function and offer new treatments for neural damage.
Faster, Please! β€’ 1005 implied HN points β€’ 14 Dec 24
  1. New chips using fiber optics can transfer data way faster, which may cut down AI training times and save energy. This could really speed up tech advancements.
  2. Businesses are finding out that human skills are still important when using AI tools. People are getting new jobs related to organizing data so AIs can work better.
  3. SpaceX is becoming super important for US defense technology. Its innovations may give the US an advantage over rivals like China in military capabilities.
Faster, Please! β€’ 822 implied HN points β€’ 23 Nov 24
  1. A robotics startup called Physical Intelligence is worth over $2 billion for creating AI-controlled robots that can do complex tasks like folding clothes. They use advanced technology that makes robots smarter and more capable.
  2. Trump is working with a startup called Anduril to improve the US military by adopting new technologies and cutting unnecessary costs. This shows a shift towards more innovative approaches in defense.
  3. Scientists have made tomatoes sweeter and bigger using a method called CRISPR. This could lead to tastier fruits in stores and lower production costs for things like tomato paste.
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Gad’s Newsletter β€’ 26 implied HN points β€’ 17 Feb 25
  1. Manufacturing in space has unique benefits, like producing materials with special properties that can't be achieved on Earth. This is due to factors like microgravity, which can enhance things like crystallization in materials.
  2. Despite the advantages, there are huge challenges to making space manufacturing cost-effective. High startup costs and technical difficulties mean it's currently not competitive with traditional Earth-based manufacturing.
  3. The future of space manufacturing could depend on companies like SpaceX reducing launch costs even more. If prices drop significantly, it might open up new possibilities for making things in space that could eventually be profitable.
Faster, Please! β€’ 548 implied HN points β€’ 22 Nov 24
  1. The US Space Force is essential because the number of satellites in space is rapidly increasing, and protecting them is crucial for both national security and economic reasons.
  2. The Space Force not only tracks and defends military satellites but also faces various forms of attacks, especially cyber threats, requiring strategies to counter these non-kinetic challenges.
  3. Future roles of the Space Force may include protecting commercial space interests, similar to how the Navy protects maritime commerce, as space becomes increasingly important for global trade and security.
Why is this interesting? β€’ 361 implied HN points β€’ 21 Nov 24
  1. In 1968, two important events changed how we see the world: the first photo of Earth from space and the first GUI demo. These moments helped people appreciate our planet's beauty and encouraged new ways of interacting with technology.
  2. Earthrise promoted environmental awareness, leading to events like the first Earth Day, while the GUI made computers more accessible for everyday use. Both advancements reshaped human perspective and knowledge.
  3. Technology has evolved, but many interfaces still use linear designs, which limit our ability to manage complex information. To improve, we might need to look toward using curves like nature does for better efficiency.
Uncharted Territories β€’ 4481 implied HN points β€’ 25 Apr 23
  1. SpaceX's Starship rocket is set to significantly reduce space transportation costs, potentially shifting civilizations and economies.
  2. Decreasing transportation costs can lead to increased trade, wealth, and societal growth, similar to the impact of navigable rivers in history.
  3. Starship's impact goes beyond satellite communications, enabling possibilities like real-time, detailed Earth imaging for various applications and businesses.
Ill-Defined Space β€’ 19 implied HN points β€’ 14 Feb 25
  1. The spacecraft market is heavily influenced by companies like Starlink, which dominates satellite deployments for internet services. This means many other operators struggle to stand out in the commercial market.
  2. In 2024, over half of the satellites deployed were aimed at providing commercial services. This shows a strong business interest in using satellites for various purposes.
  3. There are still many opportunities for growth in satellite services beyond just communications and optical sensors. New technologies and ideas can create more options in the market.
Chartbook β€’ 400 implied HN points β€’ 02 Nov 24
  1. Markets seem to be very tense right now. People are watching closely for changes and updates.
  2. BBQ and shale productivity are highlighted as important topics. These areas are crucial in economic discussions.
  3. There's a mention of the intersection between liberal academia and the Space Force. This could spark interesting debates and insights.
Faster, Please! β€’ 2650 implied HN points β€’ 16 Jan 24
  1. For All Mankind is a pro-progress and optimistic science fiction show with drama and thrills.
  2. The show emphasizes the importance of humanity moving forward despite setbacks and challenges.
  3. Themes in the show include entrepreneurial capitalism, societal growth, technology solving problems, and shared human purpose.
Ill-Defined Space β€’ 47 implied HN points β€’ 17 Jan 25
  1. The National Reconnaissance Office (NRO) is rapidly deploying satellites using SpaceX's Starshield, increasing its satellite fleet significantly in a short time. This means they are becoming more reliant on a single company for their satellite manufacturing needs.
  2. In contrast, the Space Development Agency (SDA) is struggling to build a solid supply chain and is concerned about its satellite manufacturers. They need to make and deploy a larger number of satellites than currently planned.
  3. The NRO's approach may help it quickly achieve its goals, but it raises questions about the risk of depending heavily on SpaceX for critical military capabilities.
Not Boring by Packy McCormick β€’ 113 implied HN points β€’ 22 Nov 24
  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.
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.
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.
Numlock News β€’ 569 implied HN points β€’ 02 Nov 23
  1. Downtown business districts in smaller cities may face significant financial impact from drops in office space rent compared to larger cities.
  2. China's panda bear diplomatic program involves significant costs for zoos worldwide but may not always be financially lucrative for the hosting facilities.
  3. The World Series experienced record low ratings, attributed in part to regional issues and the matchup between Dallas and Phoenix.
Faster, Please! β€’ 548 implied HN points β€’ 17 Feb 24
  1. The 10th anniversary of 'The Martian' highlights the power of problem-solving and self-sufficiency in driving progress and celebrating human ingenuity.
  2. The 'Star Trek' franchise embodies a pro-progress, risk-embracing philosophy and has made a significant cultural impact, paving the way for technological advancements and careers.
  3. Science fiction stories like 'The Martian' and 'Star Trek' exemplify Up Wing thinking, focusing on individual initiative, resourcefulness, and a positive attitude towards progress.
Faster, Please! β€’ 456 implied HN points β€’ 08 Mar 24
  1. The Fukushima nuclear meltdown in 2011 led to Japan shutting down nuclear reactors, resulting in unforeseen consequences like higher energy prices, reduced consumption, and increased mortality during cold temperatures.
  2. Following the shutdown, research by economist Matthew Neidell showed how Japan's shift to fossil fuels after the Fukushima incident led to higher bills, reduced energy use, and ultimately increased mortality in cold weather due to lack of climate control.
  3. The debate on nuclear energy often focuses on visible risks like accidents, while downplaying the benefits and comparative safety of nuclear power when weighed against other energy sources like coal or gas.
Space Ambition β€’ 319 implied HN points β€’ 15 Dec 23
  1. Investing in space tech can help solve big problems on Earth, like climate change and disaster management. These technologies improve our lives and connect us better.
  2. When looking at start-ups, it's important to check if they have a good product-market fit and a strong team. A solid team with experience can really make a difference in succeeding.
  3. The future of space investments is bright, especially in satellite manufacturing. This area has a lot of potential and can help grow the whole space industry.
Pinch of Dirt β€’ 235 implied HN points β€’ 13 Jan 24
  1. Imagining jogging in serene environments like the Great North Woods can provide a peaceful escape from city life.
  2. Awareness is growing about the environmental impact of chemicals like PFAS, leading outdoor companies to phase them out.
  3. Controversies arise over moon lander payloads with human remains, prompting discussions on ethics and space pollution.
Not Boring by Packy McCormick β€’ 245 implied HN points β€’ 06 Mar 24
  1. There are three main approaches to thinking about AI: fear of job loss, fear of missing out on AI skills, and using AI as a tool to achieve personal goals.
  2. Decide to do big things, determine the most ambitious goal for your life, and leverage the incredible tools available to make it happen faster.
  3. Ambition is contagious, empowering, and crucial in shaping the reality you want; name your ambition, set big goals, and watch the world contribute to making them a reality.
Ill-Defined Space β€’ 19 implied HN points β€’ 06 Dec 24
  1. Space technology is becoming more useful in everyday life, even on cruises. People can now get reliable internet access on ships through Starlink, making it easy to stay connected.
  2. A system called AIS helps ships know where they are and avoid collisions. It sends out information about the ship's location and heading, which anyone with internet access can view on sites like MarineTraffic.
  3. Using space services like GPS and satellite internet makes life easier and safer for everyone, whether they're working at sea or enjoying a vacation on a cruise.
All-Source Intelligence Fusion β€’ 344 HN points β€’ 18 Oct 23
  1. Lockheed Martin and HawkEye 360 are partnering to track phones and walkie-talkies from space
  2. The UAE military is reportedly a significant customer of this phone tracking technology
  3. HawkEye 360's satellite surveillance capabilities extend to monitoring electromagnetic emissions worldwide
Europe in Space β€’ 196 implied HN points β€’ 20 Mar 23
  1. Avio received a significant funding from European Union for space programs, raising questions on allocation of funds.
  2. Avio faced quality control issues in rocket launches, leading to failures and significant financial losses.
  3. Avio's financial activities, CEO remuneration, and conflicts of interest are under scrutiny amidst stock buybacks and public funding support.
Space Ambition β€’ 199 implied HN points β€’ 04 Aug 23
  1. Virtus Solis is working on space-based solar power satellites. These can provide continuous energy, unlike traditional solar panels that depend on sunlight.
  2. The technology aims to solve global energy challenges by making clean energy accessible and affordable for everyone, reducing reliance on fossil fuels.
  3. John Bucknell, the CEO, suggests that starting a business early in your career can make it easier, but experience also helps in understanding how to manage teams and solve problems.
escape the algorithm β€’ 519 implied HN points β€’ 30 Aug 22
  1. A home can be more than just a physical place; it can also exist as a digital sanctuary where visitors can dwell and explore.
  2. Naming spaces, like the Firefly Sanctuary, can give them meaning and influence how others interact with and perceive them.
  3. Websites and physical spaces can inspire each other - HTML and CSS as structures in web design can be compared to the structural aspect of living in and arranging a physical space.
Startup Pirate by Alex Alexakis β€’ 176 implied HN points β€’ 24 Feb 23
  1. The space industry is evolving from being led by superpowers to being driven by private companies, resulting in a significant growth of the space economy and increased number of objects launched into space.
  2. Space technology benefits humanity in various ways like enabling telecommunications, monitoring climate change, and providing navigation services through satellites.
  3. The rise in commercial space activity is attributed to factors like lower launch costs, innovations like reusable rockets, and the availability of new materials and technologies, making it easier for companies to enter the space industry and experiment with space technologies.
Case Closed β€’ 176 implied HN points β€’ 12 Apr 23
  1. March and 1Q23 Market Overview: Space SPACs were down, legacy space stocks performed worse, and stock market volatility was influenced by changing expectations for interest rates and the economy.
  2. Space Stock Performance and Valuation: Different sectors performed differently, with manufacturing outperforming. Companies like SATL and LUNR were discussed for their valuation considerations.
  3. Analyzing the Potential Sale of United Launch Alliance: Speculation surrounds the potential sale of ULA, with Lockheed Martin likely to buy out Boeing's stake based on financial and strategic considerations.