A security researcher recounts finding a Hyper-Threading side channel and argues scholars have an ethical duty to share consequential knowledge.
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The Duty Of A Scholar
Simple Circuits Can Create Complex Behaviors
An interactive explainer shows how simple changes to a four-neuron circuit can make a virtual creature approach, avoid or stop near light.
13 Best Diwali Activity Books for Kids in 2027
Compare Diwali activity books for kids, from coloring and rangoli sets to story-led activity books, with picks for different ages and needs.
I Tested Free PDF Tools On The Files That Usually Send Me Back To Adobe Acrobat; Only One Did A Decent Job
An XDA Developers writer tested free PDF editors on complex documents and found PDFgear the closest fit, with limits and interface drawbacks.
8 Best Educational Weather Station Kits for Hands-On Learning in 2027
Compare eight educational weather station kits by experiment style, learning value, usability, and best fit for young meteorologists and classrooms.
Links For October 2026
Astral Codex Ten’s October roundup links to writing on AI art, translation, forecasting, marriage data and other topics, with a warning about verification.
15 Best Beginner Telescopes for Astronomy in 2027
Compare 15 beginner telescopes for astronomy by aperture, mount, ease of use, portability, and tradeoffs to find the right first scope.
Halloween Aboard The International Space Station
NASA revisits Halloween celebrations aboard the International Space Station, where crews have worn creative costumes made partly from onboard materials.
15 Best Halloween Classroom Activity Books for Groups and Learning in 2027
Compare 15 Halloween classroom activity books by group size, activity variety, age fit, and classroom practicality to find the right match.
10 Best Animal Biology Board Games for Learning and Family Play in 2027
Compare 10 animal biology board games, from cooperative nature games to deeper strategy and cell biology picks, and find the right fit for your group.
