Author: Selena Astroway - Page 2

Ultrasonic and Friction Stir Welding for Space Applications: How New Joining Tech Is Changing Space Manufacturing

Ultrasonic and friction stir welding are revolutionizing space manufacturing by enabling strong, lightweight joins without melting or fasteners. Learn how NASA and private companies are using these techniques for lunar bases and in-orbit repairs.

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How Wallet UX and KYC Friction Are Stopping Crypto Adoption

Crypto adoption is stuck because wallet setup and KYC processes are too confusing. Learn how simple design changes are making crypto easier for everyday users-and why the next big wave of users will choose platforms that get onboarding right.

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How Consensus Messages and Gossip Protocols Keep Blockchain Networks in Sync

Consensus messages and gossip protocols are the hidden systems that let blockchain networks agree on truth without a central authority. Learn how they work, why they vary across Bitcoin, Ethereum, and Stellar, and what’s changing in 2026.

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How to Value NFTs: Scarcity, Cultural Relevance, and On-Chain Activity Metrics

Learn how NFTs are truly valued using scarcity, cultural relevance, and on-chain activity metrics. Discover what drives prices beyond hype and how to spot lasting value in digital collectibles.

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VSAT Networks: How Enterprises Use Geostationary Satellites for Reliable Connectivity

Enterprise VSAT networks use geostationary satellites to deliver reliable, secure internet to remote locations where terrestrial networks fail. Used by energy, mining, and maritime industries, VSAT offers 99.5%+ uptime, encrypted connections, and support for critical systems like SCADA and IoT.

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Human-Rating Standards and Regulatory Oversight for Crewed Missions

Human-rating standards ensure crewed spacecraft can safely carry astronauts through every phase of flight. Learn how NASA and regulators enforce safety, why it costs billions, and how future missions will adapt in real time.

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Metal 3D Printing in Microgravity: NASA’s Breakthrough Space Manufacturing Experiments

NASA and ESA successfully printed metal parts in microgravity aboard the ISS in 2024, marking a turning point in space manufacturing. This breakthrough enables on-demand creation of tools and components during deep space missions, reducing reliance on Earth resupply.

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How Blockchain Achieves Consensus Across Distributed Networks

Blockchain consensus mechanisms let distributed networks agree on truth without central control. Learn how Proof of Work, Proof of Stake, and other methods secure decentralized ledgers - and why they matter for security, speed, and sustainability.

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Blockchain Environmental Impact: How Energy Use Shapes the Future of Crypto

Blockchain's environmental impact hinges on its consensus mechanism. Bitcoin's proof-of-work consumes massive energy, but newer blockchains like Ethereum and Cardano use 99.9% less with proof-of-stake. The future of crypto depends on choosing efficiency over brute force.

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Radiation Shielding Materials: Novel Polymers and Composites for Space Manufacturing

Novel polymer composites like tungsten carbide-epoxy and LDPE-cement blends are replacing lead in radiation shielding for space missions, offering 30-50% weight reduction without sacrificing protection against cosmic rays and neutrons.

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Data Availability in Blockchain: Why It Matters for Security

Data availability ensures blockchain transactions are visible and verifiable. Without it, security breaks down-allowing fraud, censorship, and centralization. Learn why it’s the foundation of trust in crypto.

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Crystal Growth in Space: How Microgravity Is Revolutionizing Electronics Materials

Crystal growth in space produces near-perfect crystals by eliminating gravity-driven flaws. These materials are revolutionizing semiconductors and pharmaceuticals, offering higher efficiency, fewer defects, and new molecular forms impossible on Earth.

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