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A Coding Implementation to Simulate Practical Byzantine Fault Tolerance with Asyncio, Malicious Nodes, and Latency Analysis

In this tutorial, we implement an end-to-end Practical Byzantine Fault Tolerance (PBFT) simulator using asyncio. We model a realistic distributed network with asynchronous message passing, configurable delays, and Byzantine nodes that intentionally deviate from the protocol. By explicitly implementing the pre-prepare, prepare, and commit phases, we explore how PBFT achieves consensus under adversarial conditions while

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Amid Chaos in Mexico, False Images Stoked Fears

Online disinformation proliferated rapidly after the Mexican military killed the country’s top cartel leader, fueling fear and chaos among residents and tourists alike. Mexican officials say some A.I.-generated images and fake news reports may have been linked to criminal actors.

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Recent books from the MIT community

Launching from the Lab: Building a Deep-Tech StartupBy Lita Nelsen ’64, SM ’66, SM ’79, former director of the MIT Technology Licensing Office, and Maureen StancikBoyce, SM ’91, SM ’93, PhD ’95, with Sophie Hagerty MIT PRESS, 2026, $35 Empty Vessel: The Story of the Global Economy in One BargeBy Ian Kumekawa, lecturer in historyPENGUIN RANDOM

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Vine-inspired robot fingers can reach out and grab someone

In the horticultural world, some vines are especially grabby. As they grow, the woody tendrils can wrap around obstacles with enough force to pull down fences and trees. Inspired by vines’ twisty tenacity, engineers at MIT and Stanford University have developed a robotic gripper that can snake around and lift a variety of objects and

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