The hottest Space Tech Substack posts right now

And their main takeaways
Category
Top Technology Topics

Two Drinks with . . . Bridgit Mendler, the Disney Star Turned Space Founder

Common Sense with Bari Weiss • 171 implied HN points • 21 Mar 26
🕹 Technology Space Tech
  1. A former Disney actor has reinvented herself as the founder and CEO of a space-satellite company, showing that career pivots can link pop culture with cutting-edge tech.
  2. She credits relentless determination rather than innate genius for her success, saying that if she wants something she will find a way to make it happen.
  3. Her celebrity background and clear mission drew strong public interest and venture backing, helping the company secure major funding for antenna technology aimed at strengthening American capabilities.

🚀 FP! Week In Review, Briefly #23

Faster, Please! • 1005 implied HN points • 28 Feb 26
🕹 Technology Space Tech
  1. AI is likely to reshuffle tasks rather than wipe out work soon, since jobs combine tasks with judgment, trust, and responsibility and history shows new tech creates new kinds of work.
  2. Big technological progress is happening across many areas — from lunar missions and robotaxis to vaccines and renewable energy — which will open new opportunities and industries.
  3. Political pushback, infrastructure limits, and safety concerns about AI and data centers could slow adoption and create real economic and regulatory uncertainty.

Reading List 08/09/2025

Construction Physics • 17120 implied HN points • 09 Aug 25
🕹 Technology Space Tech
  1. Airborne microplastics are a serious health concern. They're found in homes and car cabins, and people may be inhaling a lot more of them than previously thought.
  2. Spinlaunch is developing a new way to launch satellites using a giant centrifuge. This could cut costs and increase launch frequency compared to traditional rockets.
  3. The U.S. car industry has not collapsed but has moved production out of traditional hubs like Detroit. Job growth happened in other parts of the country, despite the perception of decline.

Presenting the Case That the Future Will Be Unrecognizable

Am I Stronger Yet? • 1065 implied HN points • 19 Dec 25
🕹 Technology Space Tech
  1. AI could become more adaptable than humans by combining general-purpose intelligence, advanced robots, and breakthroughs in materials and manufacturing, triggering a radically different era.
  2. Massive investment, accelerating technical progress, and historical patterns of growth make a tipping point for such AI plausible within decades rather than centuries.
  3. If that tipping point arrives, core assumptions about labor, resources, and politics could break down with outcomes ranging from enormous benefit to severe harm, so societies should monitor progress and build institutions to manage the change.

@adlrocha - The Space Data Centre Delusion

@adlrocha Weekly Newsletter • 64 implied HN points • 22 Feb 26
🕹 Technology Space Tech
  1. Some industry voices argue that orbiting data centres could solve Earth’s energy limits by tapping continuous, stronger solar power and avoiding on-ground grid and land constraints.
  2. Physics and operations pose major roadblocks: vacuum cooling needs huge radiators, cosmic rays cause silent data corruptions, laser links and atmospheric downlinks have bandwidth and reliability limits, and launch, upgrade, and debris risks make huge satellite fleets impractical today.
  3. A more viable approach may be to design far more energy-efficient computing paradigms (photonic chips, thermodynamic samplers, non‑deterministic hardware) so AI can scale on Earth without shipping massive GPU fleets to space.
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Reading List 01/18/25

Construction Physics • 11483 implied HN points • 18 Jan 25
🕹 Technology Space Tech
  1. Real estate development plays a big role in how skyscrapers look and are built. There are great books that explain the process and thinking of developers involved in these projects.
  2. Congestion pricing in New York is improving traffic speeds significantly in a short time. People entering the zone are moving faster, helping them save time and frustration during their commutes.
  3. Some homes in Los Angeles survived wildfires due to smart design choices that included careful landscaping and construction techniques. These details can make a big difference in fire-prone areas.

🚀 FP! Week In Review, Briefly #20

Faster, Please! • 182 implied HN points • 07 Feb 26
🕹 Technology Space Tech
  1. A big AI social experiment showed many bots chatting and imitating human content, revealing repetition and shallow behavior rather than real consciousness, but it also gives a preview of future multi‑agent systems that can use tools and act in the world.
  2. Tech companies and startups are pouring huge sums into AI infrastructure and services — from massive corporate spending plans and long‑running agents to even orbital data center ideas — signaling an intense race to build more powerful, persistent AI capabilities.
  3. AI is already boosting workplace productivity, yet it’s creating political, economic, and cultural tensions, from fights over data centers and job transitions to public fatigue and policy challenges.

Mission Control Center - brains of the Space System. How does it work?

Space Ambition • 319 implied HN points • 26 Jul 24
🕹 Technology Space Tech
  1. The Mission Control Center (MCC) is crucial for managing spacecraft. It collects data, controls systems, and predicts emergencies.
  2. Different specialists work in the MCC, each focusing on specific parts of the spacecraft. The center’s size varies based on the mission's complexity, from small setups to large control rooms.
  3. New technology, including AI, is changing how MCCs operate. AI helps with monitoring systems and predicting spacecraft movement, making the process more efficient.

Beyond Earth Technologies: Call to Action

Space Ambition • 799 implied HN points • 05 Jan 24
🕹 Technology Space Tech
  1. Beyond Earth Technologies is looking for innovative projects that can help with living on other planets and also have real opportunities for business now.
  2. If you're a scientist or inventor working on things like energy, robots, or habitats, you can apply to join their program by January 31st.
  3. You can share this opportunity with friends who have great ideas, and it only takes a few minutes to apply.

How to Build a Satellite: A Comprehensive Guide

Space Ambition • 179 implied HN points • 24 May 24
🕹 Technology Space Tech
  1. Building satellites is getting easier, which is why there are so many more in space now. A lot of companies are able to provide satellite services without even owning a satellite.
  2. Planning is really important when developing a satellite. You need to decide its goals, select the right orbit, and choose if you will build or buy your satellite components.
  3. Testing is a crucial step in satellite assembly. After building, you have to run various tests to make sure everything works properly before sending it to space.

Exploring the Need for More Semiconductor Technology Experiments in Space

Space Ambition • 139 implied HN points • 31 May 24
🕹 Technology Space Tech
  1. Space has unique conditions like microgravity that can help create better semiconductor materials. This could lead to higher quality electronic devices in the future.
  2. Past experiments on the ISS focused mostly on growing crystals, but more research is needed on the complete manufacturing process for chips in space. This includes steps like slicing the crystals and fabricating circuits.
  3. Future projects aim to advance semiconductor production by using resources in space, like making solar cells from lunar materials. This could reduce costs and create a new way to manufacture technology off Earth.

Fighting Crime with Space Technologies

Space Ambition • 99 implied HN points • 21 Jun 24
🕹 Technology Space Tech
  1. Law enforcement is increasingly using satellite technology to monitor and fight crime. This includes tracking illegal activities like drug trafficking and deforestation, which are hard to spot from the ground.
  2. Drones are becoming important tools for police work. They can quickly gather information in emergencies and help locate missing persons, improving response times and resource use.
  3. Crime investigation in space poses unique challenges. Scientists are researching how things like blood behave differently in low gravity, which could help solve future crimes in space.

Stars, Stripes, and Satellites

Case Closed • 275 implied HN points • 26 Jan 24
🕹 Technology Space Tech
  1. The US military heavily relies on space technology for various purposes like intelligence, surveillance, and communications.
  2. Due to evolving threats and outdated technology, the US government established the Space Development Agency (SDA), with a significant budget increase and focus on commercial partnerships.
  3. The SDA is deploying a new military satellite constellation quickly, offering a substantial $30B+ contracting opportunity for satellite manufacturers and leading to potential growth in the commercial space industry.

Spacetech pitch session #2: summary

Space Ambition • 99 implied HN points • 11 May 24
🕹 Technology Space Tech
  1. The second pitch session for spacetech startups featured six innovative companies presenting to over 30 investors.
  2. One of the startups from the previous session, Xona Space Systems, successfully closed a $19 million funding round.
  3. The next pitch session is planned for September, inviting more startups and investors to participate.

Spotlight: Alexandra Vidyuk - Founder @ Space Ambition & Venture Partner @ Aloniq

Space Ambition • 179 implied HN points • 08 Mar 24
🕹 Technology Space Tech
  1. Alexandra Vidyuk switched from banking to spacetech because she wanted to follow her childhood dream of exploring space. She believes the space industry can help solve big problems like climate change.
  2. The space industry needs more people from different backgrounds to help it grow. It's not just about rockets; many skills can be applied in this field, making it accessible to more people.
  3. If someone wants to move into spacetech, they should start learning about it through books and courses. Connecting with industry professionals and thinking about how their existing skills can fit into this field is also important.

Space Ambition: 2023 Year in Review

Space Ambition • 259 implied HN points • 30 Dec 23
🕹 Technology Space Tech
  1. The subscriber count grew seven times this year, increasing from 1,500 to over 9,800. This shows strong interest in spacetech content across many countries.
  2. The blog published 52 posts, with an impressive average of 5,000 to 7,500 views each. Popular sections included interviews with industry leaders and insights into various countries' space tech ecosystems.
  3. The team was active in the spacetech community, hosting events and mentoring startups, while also achieving a successful satellite launch. They valued the contributions of volunteers and the support from recognized blogs.

What we can infer from OpenAI’s latest hire

Alex's Personal Blog • 32 implied HN points • 10 Dec 25
🕹 Technology Space Tech
  1. OpenAI hiring a senior Salesforce/Slack exec signals a move to monetize more aggressively with enterprise customers, protected-data products, and pricier, finely graded packages, and it may bring a more sales-driven corporate culture.
  2. National moves like Australia’s ban on under-16s from major social platforms show the Internet is getting age-gated and more closed off, which will curb youth access but raises privacy and anonymity concerns and won’t stop all kids.
  3. SpaceX preparing for a possible 2026 IPO with big Starlink-driven revenue forecasts and a potential $1.5 trillion valuation highlights huge investor appetite, but that price would be very rich and faces growing competitive pressure.

Space Ambition 1st Anniversary: We Got a Bit Closer to the Stars

Space Ambition • 279 implied HN points • 15 Sep 23
🔬 Science Space Tech
  1. Space Ambition attracted over 8,000 readers and completed more than 50 research projects in its first year. It's great to see such a big community focused on space and technology!
  2. The team believes that space technology can solve many of Earth's problems and aims to make it more understandable and accessible for everyone. They want to connect space with everyday life.
  3. Readers have shared inspiring stories about how the blog has influenced their careers, which shows the positive impact of their work in the space sector. It's awesome to see people motivated to pursue their dreams!

Spacetech Failures: Analyzing Major Industry Missteps and Lessons for Investors

Space Ambition • 259 implied HN points • 29 Sep 23
🕹 Technology Space Tech
  1. The spacetech industry has seen many failures, like Iridium's bankruptcy and Falcon 1's launch issues, but these stories show how important it is to adapt and learn from mistakes.
  2. Space exploration is getting increasingly crowded and risky with satellite constellations like Starlink, which raises concerns about space debris and potential collisions in orbit.
  3. The integration of AI in space missions is still developing, and while AI can help reduce human errors, we need to carefully test and approve these systems for safe use in space.

Spotlight: Rob Desborough - Managing Partner @ Seraphim Space & CEO Seraphim Space Accelerator

Space Ambition • 219 implied HN points • 25 Aug 23
💼 Business Space Tech
  1. Rob Desborough leads a major space-focused venture capital firm that helps many spacetech startups grow. They are not only funding new space ideas but also managing a special trust that invests in this sector.
  2. There is a growing interest in spacetech investments, with more people and companies getting involved. Recent years have seen a rise in new investors and significant funding, especially in Europe and Asia.
  3. Space technology is now focused on important issues like climate change and global security. The industry is looking at exciting areas like sustainability and space mining to solve big problems on Earth.

PR in the Spacetech Industry: The New Frontier

Space Ambition • 219 implied HN points • 08 Sep 23
🕹 Technology Space Tech
  1. Old Space companies stick to traditional PR methods like blogs and partnerships. They are slowly adapting to modern techniques but often play it safe.
  2. New Space companies are more creative in their PR. They use social media and unique events to connect with people and make their launches exciting.
  3. Billionaires like Elon Musk and Richard Branson use personal branding and bold PR stunts to grab attention. They focus on big, inspirational stories that resonate with the public.

Jet Propulsion Part 2: the Market of Low-Thrust Engine Technologies for Satellites

Space Ambition • 299 implied HN points • 12 May 23
🕹 Technology Space Tech
  1. The low-thrust engine market for satellites is growing fast. This is mainly because new rules require old satellites to be safely removed from space.
  2. Low-thrust engines are very fuel-efficient and can run for long periods. They are important for keeping satellites at the right orbit and avoiding collisions.
  3. Different types of low-thrust engines like chemical and electric engines each have their own benefits. Electric engines are more efficient, while chemical engines are reliable and powerful.

Top 50 Space Conferences to Propel Your Space Ambition

Space Ambition • 279 implied HN points • 05 May 23
🕹 Technology Space Tech
  1. There are many global space conferences where people can network and share ideas. These events are great for anyone interested in space, from CEOs to scientists.
  2. The conferences cover a range of topics, including business, technology, and academic research. Each event offers chances to meet professionals and learn about the latest developments in space.
  3. Attending these conferences can help spark new ideas and connect people who may become future partners or clients in the space industry.

Space Advantages for Electronics Production: Microgravity & Extreme Temperatures & Vacuum

Space Ambition • 179 implied HN points • 18 Aug 23
🕹 Technology Space Tech
  1. Space offers unique conditions like microgravity and extreme temperatures that can help create better electronic materials. This can lead to higher purity materials and improved processes that are hard to achieve on Earth.
  2. The cost of launching materials into space has decreased significantly, making space manufacturing more accessible. New startups are emerging to support in-space production, which enhances the potential for innovations in microelectronics.
  3. To truly benefit from manufacturing in space, the economics need to prove that it's cheaper than Earth-based production. First, companies will focus on small-scale projects that can show clear advantages before scaling up.

The Space Economy

Startup Pirate by Alex Alexakis • 176 implied HN points • 24 Feb 23
🕹 Technology Space Tech
  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.

Unlocking Agricultural Potential: The Impact of Satellite Data in Modern Farming

Space Ambition • 199 implied HN points • 14 Jul 23
🕹 Technology Space Tech
  1. Satellite data can greatly help farmers by improving crop yields and monitoring crop health. This information allows for better planning and decision-making in farming.
  2. Using space data can lead to more sustainable farming practices. Farmers can track things like carbon storage and soil health, which helps protect the environment.
  3. The use of satellite imagery is still new in agriculture, but it has a lot of potential. However, challenges such as regional differences and competition from traditional farming methods can slow its adoption.

Global Space and Technology Convention 2024: Highlights by Space Ambition

Space Ambition • 59 implied HN points • 22 Mar 24
🕹 Technology Space Tech
  1. The Global Space and Technology Convention is a big event in Asia for space tech, attracting over 1,000 people. It offers great networking opportunities for those interested in the space industry.
  2. There were interesting discussions about how space data is being used in finance and how money pressure can hurt sustainability in startups. It's important to balance profit and environmental concerns.
  3. Panels discussed innovation in space exploration, covering topics like robotics and energy needs in space. It's exciting to think about future missions and technologies that can help us explore beyond Earth.

Spotlight: Adrien Michaud – Rocket Lab Space Ambassador

Space Ambition • 319 implied HN points • 03 Mar 23
🕹 Technology Space Tech
  1. Space tech isn't just for engineers; there are many paths into the industry. You can find roles in areas like HR or business development even if you don’t have a traditional aerospace background.
  2. The future of space tech may resemble civil aviation or the car industry, with either a few big players or many smaller companies. This means a lot of new ideas and technologies may emerge, but they also need solid ways to make money.
  3. Watching inspiring films like Apollo 13 can ignite passion for space and problem-solving. Many people find their calling early and choose careers that let them work on real-world challenges in space tech.

Israel: An In-Depth Look at Its Thriving Space Tech Ecosystem

Space Ambition • 219 implied HN points • 09 Jun 23
🕹 Technology Space Tech
  1. Israel has a strong space tech startup scene with over 6,000 active startups. This impressive number shows how innovative and entrepreneurial the country is.
  2. The Israeli space community includes various organizations like the Israel Space Agency and numerous private companies working together on exciting space projects, boosting collaboration and development.
  3. Israel's history of challenges has driven its focus on innovation, helping it become a leader in space technology despite being a small nation with limited resources.

Spotlight: Raphael Roettgen - General Partner @ E2MC

Space Ambition • 59 implied HN points • 15 Mar 24
🕹 Technology Space Tech
  1. E2MC is a global venture capital firm focusing on space technology. They invest around $500k in seed and pre-seed stages, and they're open to startups worldwide, except in geopolitically complex areas.
  2. Raphael Roettgen aims to engage more people in the space sector. He wrote a book explaining the space economy, making it easier for entrepreneurs and investors to understand and join the industry.
  3. He emphasizes the importance of diverse talent in space tech. E2MC has a higher percentage of female leaders in its portfolio than the industry average, and he encourages educational efforts to support women in STEM fields.

Spotlight: Harriet Brettle – Head of Market Analysis and Business Intelligence at ESA’s Connectivity and Secure Communications

Space Ambition • 239 implied HN points • 28 Apr 23
🕹 Technology Space Tech
  1. You can switch careers to the space industry, even if your background is in finance or another field. It’s important to follow your passion and explore new opportunities.
  2. Joining space-related communities can help you build connections and gain valuable experience. Volunteering and participating in events are great ways to get started.
  3. Sustainability is key in the space industry, and it's vital to consider the environmental impact of space activities. Every industry needs to be more responsible and think about the future.

Space Tech and Science Fiction: Upgrading Your Inspiration through Sci-Fi

Space Ambition • 99 implied HN points • 22 Dec 23
🕹 Technology Space Tech
  1. Science fiction movies often inspire real-life inventions. Films like 'Star Trek' and 'Back to the Future' have influenced technologies like mobile phones and self-lacing shoes.
  2. Many iconic sci-fi movies predicted future technology, such as tablets in '2001: A Space Odyssey' and digital billboards in 'Blade Runner.' These films sparked ideas that led to actual developments.
  3. Sci-fi doesn't just inspire inventors; it also motivates scientists. Movies like 'Interstellar' and 'The Martian' have pushed researchers to explore black holes and even name new plant species.

Space Launch technology: are we stuck?

Space Ambition • 399 implied HN points • 21 Oct 22
🕹 Technology Space Tech
  1. Many companies in the space launch industry are not innovating much. They are mostly making small changes to old ideas instead of developing new technologies.
  2. The space launch market is complex and requires a lot of money and time to create viable products. This makes it hard for new businesses to compete with big players like SpaceX.
  3. There are new ideas in space launch technology that may change how we send things into space. Some companies are exploring different methods, like using external energy sources, which could make launches more efficient.

​​Global Space and Technology Convention: highlights by Space Ambition

Space Ambition • 219 implied HN points • 17 Mar 23
🕹 Technology Space Tech
  1. The conference highlighted the growing trend of international collaboration in space, with countries teaming up to share knowledge and resources. This is a positive change, as seen in recent agreements between countries like Israel and the UAE.
  2. New research on human reproduction in space was announced, focusing on how traits like low gravity can impact pregnancy. This could be crucial for future space missions and understanding human health in space.
  3. Educational programs are being introduced to inspire the next generation of space engineers, like the STEM 2.0 program and space internships. These initiatives aim to spark interest in careers related to space technology.

Singapore space tech and deep tech ecosystem

Space Ambition • 239 implied HN points • 03 Feb 23
🕹 Technology Space Tech
  1. Singapore is a great place for space tech startups because of its friendly tax policies and support from the government. The easy company setup process attracts talent and entrepreneurs from everywhere.
  2. Even with a small population, Singapore has over 20 space tech startups, showing strong growth in this sector. Companies like Gilmour Space Technologies and SpeQtral highlight the diverse innovation happening there.
  3. The space tech ecosystem in Singapore is supported by various agencies and institutions that help founders with funding and research. The presence of many investors and accelerators further drives the growth of this field.

Space inventions: they are all around you

Space Ambition • 319 implied HN points • 14 Oct 22
🕹 Technology Space Tech
  1. Many everyday items like zippers and Velcro were improved by space technology. These inventions help us in sports and other activities, showing how space research benefits daily life.
  2. Space technology has led to important medical advancements. For example, special pumps and dental X-rays have origins in space exploration, making healthcare better for everyone.
  3. Products developed for space, like memory foam and water filters, are now widely used on Earth. These inventions make our homes and lives more comfortable and healthy.

You don’t have to be an engineer to become a founder of a space tech start-up

Space Ambition • 239 implied HN points • 20 Jan 23
🕹 Technology Space Tech
  1. You don't need to be an engineer to start a space tech company. Many successful founders come from different backgrounds and experiences.
  2. The space tech industry includes a diverse range of founders, such as experts with technical knowledge, entrepreneurs who were successful in other fields, and dreamers who are passionate about space.
  3. Many successful space tech founders show that with passion, determination, and the right team, anyone can make their space exploration dreams a reality.

Advertisements in space: a creative way to solve energy problems?

Space Ambition • 179 implied HN points • 02 Dec 22
🕹 Technology Space Tech
  1. Advertising from space is being considered as a new way to help fund energy projects. A system of satellites could display ads in the sky, generating significant revenue.
  2. Using mirrors in space could reflect sunlight to specific areas on Earth, potentially reducing reliance on electricity. This could be more efficient than traditional solar panels.
  3. Concerns about light pollution and space debris are important. However, recycled materials from old satellites could be used to create the necessary reflectors, helping to lessen space waste.

Space Ambition team having a day off

Space Ambition • 79 implied HN points • 17 Feb 23
🕹 Technology Space Tech
  1. The Space Ambition team is taking a break to process all the information from an event they attended. They had a busy week and need some time to gather their thoughts.
  2. They recently welcomed 200 new followers and are sharing their most popular articles for new readers to enjoy. It's a good opportunity for newcomers to learn about space topics.
  3. The articles cover exciting topics like opportunities in the space tech industry and the challenges of space law. They want to inspire people and inform them about the growing space industry.