Drag sails are the simplest, most reliable way to deorbit small satellites and prevent space debris. Learn how they work, why they're mandatory, and which satellites use them today.
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The Rescue Agreement legally obligates nations to save astronauts in distress and return them safely. But with space tourism rising, outdated definitions and unaddressed costs threaten its effectiveness.
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Mining pools let individual miners combine computing power to find cryptocurrency blocks more reliably. Learn how they work, which ones to choose, and why solo mining is no longer viable.
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The ITU manages global satellite spectrum and orbital rights through a complex filing system. Learn how countries and companies claim space, why paper satellites are a problem, and what’s changing in 2025 to make space fairer.
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Cryptographic signatures use math, not middlemen, to prove you own your cryptocurrency. This is how Bitcoin and Ethereum verify transactions securely without banks.
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Methalox engines using liquid methane and oxygen are replacing kerosene in modern rockets due to cleaner burns, lower costs, and unmatched reusability - making them essential for Mars missions and affordable spaceflight.
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UTXO and account models are two foundational blockchain architectures. UTXO, used by Bitcoin, treats funds like cash with discrete outputs. Account model, used by Ethereum, tracks balances like bank accounts. Each has trade-offs in scalability, privacy, and smart contract support.
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EVA maintenance planning ensures astronaut safety during spacewalks by combining advanced tools, strict protocols, and exhaustive simulations. Learn how NASA plans every spacewalk to handle extreme risks in orbit and beyond.
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Curve Finance dominates stablecoin trading on DeFi by using smart math to slash slippage. Learn how it works, why it's more efficient than Uniswap, and the hidden risks that could change everything.
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Web3 advertising relies on on-chain metrics to track real user actions like NFT mints and token swaps, replacing cookie-based tracking with wallet-based attribution. Learn how blockchain data reveals true campaign ROI and why traditional tools fail in decentralized environments.
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Proof-of-Work and Proof-of-Stake are the two main ways blockchains agree on transactions. PoW uses energy-heavy mining; PoS uses staking. Ethereum's switch to PoS cut energy use by 99.95%. Which is better in 2025?
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Learn how to protect your crypto investments during bear markets using stablecoins, dollar-cost averaging, and smart stop-losses. Avoid common mistakes and position yourself to thrive when the market rebounds.
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