21121
Some alloys don't change size when heated – recent work on why
Researchers in the lab of Brent Fultz have discovered why so-called Invar alloys keep a steady size and shape over a broad range of temperatures—unlike most materials.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 31,707 posts.
21122
21123
Microsoft Office 365 Message Encryption Insecure Mode of Operation
This blogpost, written by WithSecure’s STINGR Group, presents the analysis of a security incident that happened in February 2026 and was investigated by the WithSecure Incident Response team.
21124
21125
Corrected identification of object about to hit the moon
Note : I keep getting questions that cause me to realize I should explain something else, or that I explained something poorly. Click here for a list of recent changes. Last modified 2015 Mar 05 16:00 UTC. Here's the original story about this object .
21126
New Intermediate Certificates
On Wednesday, March 13, 2024, Let’s Encrypt generated 10 new Intermediate CA Key Pairs, and issued 15 new Intermediate CA Certificates containing the new public keys. These new intermediate certificates provide smaller and more efficient certificate chains to Let’s Encrypt Subscribers, enhancing the overall online…
21127
Researchers discover new third class of magnetism
A new class of magnetism called altermagnetism has been imaged for the first time in a new study. The findings could lead to the development of new magnetic memory devices with the potential to increase operation speeds of up to a thousand times.
21128
The Roots of Fear: Understanding the Amygdala
Treating anxiety, depression and other disorders may depend on the amygdala, a part of the brain that controls strong emotional reactions, especially fear. But a deep understanding of this structure has been lacking. Now scientists at the University of California, Davis have identified new clusters of cells with…
21129
The Lapdock Kit
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
21130
21131
Good coders borrow, great coders steal
Copying and pasting can be dangerous, but then again, so can many aspects of software development when done incautiously. In this post, I’ll take a look at what code copying actually means for software development, what good code theft means, and the pitfalls of copying badly.
21132
OPA maintainers and Styra employees hired by Apple
Banner announcing OPA creators joining Apple
21133
EFF and Bitcoin
EFF's position on Bitcoin donations in 2011. For an update, see https://www.eff.org/deeplinks/2013/05/eff-will-accept-bitcoins-support-digital-liberty and https://www.eff.org/pages/other-ways-give-and-donor-support.
21134
Grafana Labs launches free incident management tool in Grafana Cloud
Just seven months after rolling out a preview, we are excited to announce that Grafana Incident is now generally available to all Grafana Cloud users.
21135
Hidden in plain sight: Brute-forcing Slack private files
Van Pathé tot KLM en de Rijksoverheid: ontdek hoe Dawn Technology met maatwerk software alledaagse ervaringen slimmer, sneller en beter maakt.
21136
WPA3 Wifi Security Protocol Announced
New Wi-Fi® security features available in 2018Las Vegas, NV – January 8, 2018 – Wi-Fi Alliance® introduces enhancements and new features for Wi-Fi Protected Access®, the essential family of Wi-Fi CERTIFIED™ security technologies for more than a decade. Wi-Fi Alliance is launching configuration, authentication, and…
21137
21138
Red Hat ported OpenJDK to 64-bit ARM: A community history
Find out how Red Hat engineers and a community of open source enthusiasts created the standard OpenJDK implementation for AArch64.
21139
Invoke Win32 applications with Bash on Windows
Learn about the considerations and interop commands available when working across Windows and Linux file systems with WSL.
21140
Enum of Arrays
A popular data-oriented design pattern is a Struct of Arrays. Is an Array of Enums also useful? Yes! But let’s do a refresher on struct of arrays (SoA) first:
21141
Picard 3.0
The Picard team is happy to announce the new major version 3.0 of MusicBrainz Picard, now available to download . MusicBrainz Picard is the official tag editor for the MusicBrainz database and helps you get your music collection sorted and cleaned up with data from MusicBrainz.
21142
21143
When to Overcommunicate
Meet Glowforge, the 3D laser printer that makes magical things at the push of a button.
21144
21145
21146
Detect and crash Chromium bots
Disclaimer: If you're here for the holy grail of bot detection, this may not be it, unless your UX strategy involves surprise popups and your marketing strategy involves blocking Google crawlers. We recently stumbled across a bug on the Chromium bug tracker where a short JavaScript snippet can crash
21147
A Court Order is an Insider Attack
Commentators on the Lavabit case, including the judge himself, have criticized Lavabit for designing its system in a way that resisted court-ordered access to user data. They ask: If court orders are legitimate, why should we allow engineers to design services that protect users against court-ordered access? The…
21148
We were not accepted into Google Summer of Code. So, we started our own
Introducing Qdrant Summer of Code 2024 program. GSoC alternative.
21149
A new way to build with Large Language Models
Ultravox is a real-time voice AI infrastructure layer that powers fast, natural, and scalable voice agents.
21150
Van Gogh’s Self-Portraits
What did Vincent van Gogh look like? His self-portraits provide a good indication. Read on to find out all about them.