Author: Selena Astroway - Page 6

Health Monitoring of Station Systems: Sensors and Trends in Real-Time Structural Assessment

Real-time structural health monitoring uses advanced sensors to detect cracks, leaks, and strain in space stations and critical infrastructure. Learn how piezo, fiber optic, and vibrating wire sensors work, and why they're replacing manual inspections.

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Community-Owned Renewable Mining: How Co-ops and DePIN Are Making Crypto Greener

Community-owned renewable mining co-ops and DePIN models are turning crypto mining from an energy drain into a grid-stabilizing force. Learn how locals are using solar and wind to mine Bitcoin sustainably-and keep profits in their towns.

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Finality in Blockchain: How Cryptocurrency Networks Confirm Irreversible Transactions

Finality in blockchain ensures transactions are irreversible. Learn how Bitcoin, Ethereum, and other chains confirm payments, why speed matters, and how new protocols are making crypto feel instant.

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The Graph and Subgraphs: How to Index Ethereum Data Efficiently

The Graph enables fast, decentralized querying of Ethereum data through subgraphs, turning raw blockchain events into usable GraphQL APIs. It's essential for dApps needing historical data without slow, manual scans.

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Human Mars Mission Architecture: Transportation and Surface Operations

NASA's Human Mars Mission Architecture outlines how to transport astronauts to Mars and keep them alive on the surface using nuclear power, split-mission logistics, and advanced landing systems - all tested first on the Moon.

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Future of Stablecoins: Interoperable Standards and Central Bank Collaboration with Crypto

The GENIUS Act of 2025 mandates interoperable stablecoins backed by U.S. dollars, requiring banks and crypto issuers to work together. This new framework could cut global payment costs by 80% and make digital dollars as easy to use as cash.

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Civilian vs Military GPS Signals: What You Really Need to Know About Accuracy and Access

Civilian GPS is no longer less accurate than military GPS - modern devices using dual-frequency signals match military precision. The real difference lies in anti-jamming, security, and access - not raw accuracy.

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Bitcoin Mining Taxes: How to Report Ordinary Income, Depreciate Equipment, and Keep IRS-Compliant Records

Learn how to properly report Bitcoin mining income as ordinary income, deduct equipment depreciation under Section 179 or MACRS, and maintain IRS-compliant records to avoid penalties and audits.

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How Private and Public Keys Work in Simple Terms

Private and public keys enable secure communication online by using math-based encryption. One key locks data, the other unlocks it-no sharing needed. Learn how they protect your emails, bank logs, and crypto wallets.

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Cryogenic Propellant Depots: The Future of In-Space Refueling

Cryogenic propellant depots are orbital fuel stations that store liquid hydrogen and oxygen for spacecraft refueling. They enable deeper space missions by reducing launch mass and enabling reuse-key for lunar and Mars exploration.

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Formation Flying Satellites: How Relative Navigation and Control Make Space Missions Possible

Formation flying satellites use precise relative navigation and control to act as a single instrument in space, enabling missions impossible for single spacecraft. Learn how they work, what goes wrong, and why they’re the future of space science.

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Detector Cooling for Space Sensors: How Cryostats and Heat Pipes Enable Deep Space Astronomy

Cryostats and heat pipes enable space sensors to operate at near-absolute zero temperatures, making infrared astronomy possible. From JWST to future telescopes, this technology reveals the cold universe.

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