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#sustainableTech

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>>> Enough of the billionaires and their big tech. "Frugal tech" will build us all a better world

"Last month at Berlin’s once hippy, now increasingly corporatised Re:publica conference, I met researchers from APC, who are using software-defined radios and spectrum sensing to allow people in low-resource environments to stay connected despite limited bandwidth, power, hardware..."

Thanks Eleanor Drage and @TheGuardian for this great piece on #BigTech #SustainableTech

theguardian.com/commentisfree/

🚨 New Drop from UK-based WayCase 🚨

Introducing MagSnap, the modular MagSafe case made exclusively for iPhone 16 Pro and 16 Pro Max.

🛡️ Military-grade drop protection
🧲 MagSafe charging + accessories ready
🔄 Snap-on faceplates = endless styles
🌍 Eco-conscious packaging
📦 Ships fast from the UK

Perfect for those who care about tech protection, personal style.

💻 Shop now: WayCase.co.uk
📱 #iPhone16Pro #MagSafeCase #WayCase #ModularCase #SustainableTech #UKTechMakers #PhoneCaseDesign

🧠💧Ξέρεις πόσο νερό "πίνει" το AI σου; Η σημερινή έκθεση της Mistral AI αποκαλύπτει 281000 m³ νερού και 20 kt CO₂ για ένα μόνο μοντέλο. KPI χωρίς ESG δεν είναι πρόοδος. Πώς σχεδιάζεις να μικρύνεις το αποτύπωμα πριν μεγαλώσει ο κώδικάς σου; 🌱🚀 #AIσήμερα #SustainableTech

🌬️ Automotive HVAC Market Warms Up

Climbing from $93.98B (2024) to $125.90B by 2032, the market is growing steadily at a 3.7% CAGR — powered by rising EV adoption & in-cabin comfort demand. 🚗

Know More: fortunebusinessinsights.com/au

🚀 Feb 2024: Birmingham University unveiled e-Thermal Bank, a microwave-based thermochemical HVAC system for EVs —

Opening keynote @parismarx at #PubConf2025 will talk about #technopolitics and rebuilding our #digitalsovereignty and reconsidering the role of hyperscalers to work towards #sustainabletech

"How do we chart not just a more just and equitable future, but a more sustainable one too?"

conference.publicspaces.net/en

conference.publicspaces.netShaping our Digital Future PublicSpaces Conference
Replied in thread

@jexner @sundogplanets

Sorry for the delay in replying! Let’s be clear upfront: we can’t build a fully operational space elevator with today’s technology.

But history shows us that what seems impossible today can become reality tomorrow. When President John F. Kennedy set the goal of landing a man on the Moon in 1961, many thought it was a pipe dream. Yet less than a decade later, the Apollo program succeeded, proving that with determination, innovation, and investment, the impossible can be achieved. So, while ambitious, a space elevator is a plausible future project.

Trying to be as objective as I can, here’s a more nuanced take on feasibility — starting with economics. A space elevator would be expensive; estimates vary, but it’s safe to say it would be a multi-billion-dollar project. To put that in perspective: SoFi Stadium cost $4.9 billion, and the Apollo program cost about $203 billion (adjusted to 2015 dollars). Expert analyses estimate the cost of the first space elevator between $6 billion and $100 billion depending on design and infrastructure included. So financially, it’s ambitious but plausible, especially as a long-term infrastructure investment with transformative potential for space access and sustainable resource use.

The technical challenges are immense, but so are those of every large, unprecedented undertaking. Picture a tether anchored to a mobile ocean platform, gently swaying with the waves, while robotic climbers ascend and descend, carrying cargo and passengers to the stars.

Several organizations, including the International Space Elevator Consortium, are actively developing the technologies and infrastructure needed. While we’re far from the finish line, the potential benefits—significantly reduced launch costs, increased space access, and large-scale space-based solar power—are exciting.

A key technical hurdle is finding a material with sufficient tensile strength. Though it might sound counterintuitive, a space elevator is more like a suspension bridge to space than a giant tower. The concept evolved from building “bottom-up” to a “top-down” approach, where a geostationary satellite deploys a cable down to Earth. Currently, carbon nanotubes (CNTs) and ultra-high molecular weight polyethylene (UHMWPE) are leading candidates for tether materials. For example, Shizuoka University in Japan is prototyping and testing high-tensile-strength materials in space. The key issues remain: producing suitable materials like carbon nanotubes at scale.

In conclusion, while we can’t build a fully operational space elevator today, overcoming the technical difficulties in the near future is possible. With continued advances in materials science, engineering, and technology, we may soon see the space elevator shift from futuristic fantasy to game-changing reality.

I’m no space engineering expert, so I welcome corrections and insights.
---

References & Further Reading
- Edwards, Bradley C. “The Space Elevator.” nss.org/wp-content/uploads/201
- Gao, Tianrui. “The Feasibility Analysis of a Space Elevator.” ijetch.org/2024/IJET-V16N4-129
- International Space Elevator Consortium — Annual Studies isec.org/studies/#ApexAnchor

Recommended Videos
- Space Elevators: Strategies & Status — youtu.be/V0ju74IqW0A
- Clean Energy From Space? — youtu.be/iNqCAvL1T1Y
- Asteroid Mining — youtu.be/3-3DjxhGaUg
- Everyone is Wrong About Asteroid Mining — youtu.be/p3hlnL2JN8E

CC: @cy @isecdotorg @sorceressofmathematics @goodmirek @tiotasram @Ifrauding @Elrick_Winter @tiotasram @davidtheeviloverlord

#SpaceElevator #FutureTech #SpaceExploration #Innovation #ScienceFiction #Engineering #SpaceTravel #CarbonNanotubes #UHMWPE #FeasibilityStudy #SpaceAccess #SustainableTech #SpaceResearch #SpaceEngineering
#SpaceTechnology #SpaceEconomics #SpaceInnovation #SpaceDevelopment
#megaprojects #SpaceTower #Megastructure