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HR Tech News Today

HR departments run on software, and this section keeps track of it. Coverage includes recruiting platforms, payroll and benefits systems, employee engagement tools, and the rapid arrival of AI in hiring and people management. Funding rounds and product news from the HR tech market round out the picture.

Recent story patterns include AI screening and interviewing tools facing both adoption and scrutiny, payroll providers expanding into global employment services, consolidation among HR software vendors, and new regulations governing automated hiring decisions. Workforce analytics and skills-mapping products are a growing theme.

The systems covered here quietly decide who gets interviewed, how people are paid, and how performance is judged, affecting nearly every worker. HR leaders, talent acquisition teams, and vendors in the space follow this news to choose tools wisely and stay ahead of compliance changes.

I learned Unity the wrong way
2026-04-19

A developer shares a cautionary tale about spending three years building Unity games by blindly copying tutorials and forum scripts. Their lack of foundational programming knowledge was exposed during a technical interview when they failed to explain basic data structures. The story highlights the long-term pitfalls of prioritizing quick results over understanding core computer science concepts.

My first impressions on ROCm and Strix Halo
2026-04-19

The author shares their initial experience configuring AMD's ROCm software stack on the new Strix Halo platform, highlighting the efficient sharing of 128GB unified memory between the CPU and GPU. The article also details their chosen operating system and walks through the driver installation process.

Spiral staircase with a single guardrail once led to the top of the Eiffel Tower
2026-04-19

Originally installed in 1889, the Eiffel Tower featured a 1,062-step spiral staircase with a single guardrail connecting its second and third levels. Fragments of this 137-year-old structure have since been preserved and can currently be found on display at several French museums.

Migrating from DigitalOcean to Hetzner
2026-04-18

A complex production infrastructure was successfully migrated from DigitalOcean to Hetzner dedicated servers with zero downtime. The extensive transition seamlessly accommodated 248 GB of MySQL data across 30 databases, 34 Nginx sites, and critical services like GitLab EE and Neo4j while supporting live mobile app traffic.

Why Japan has such good railways
2026-04-18

Japan boasts the finest railway system in the world, driven by a highly effective operational model that sets a global standard for efficiency. Other countries seeking to upgrade their transit infrastructure can learn to replicate this quality by adopting Japan's proven formula.

Anonymous request-token comparisons from Opus 4.6 and Opus 4.7
2026-04-18

An anonymous analysis compares how Anthropic's Opus 4.6 and Opus 4.7 models calculate request tokens when processing identical transcripts. The evaluation highlights the differences in token counting between the two versions, providing developers with crucial data for optimizing API usage. These insights can help users better predict costs and manage resources when transitioning between the models.

The electromechanical angle computer inside the B-52 bomber's star tracker
2026-04-18

Before the advent of GPS, B-52 bombers relied on celestial navigation to guide their long-range missions. This was made possible by a sophisticated electromechanical angle computer housed within the aircraft's star tracker, which calculated precise flight trajectories based on the positions of stars and planets.

State of Kdenlive
2026-04-18

In 2025, the Kdenlive open-source video editor focused on steady development by balancing new features with routine bug fixes and user interface polish. The team explicitly prioritized overall system stability and workflow performance over adding excessive new features to prevent feature creep.

All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018)
2026-04-18

All twelve Apollo moonwalkers experienced allergy-like symptoms, known as lunar hay fever, after sharp and abrasive moon dust clung to their spacesuits. This gunpowder-scented dust caused sore throats and watery eyes upon their return to the lunar module. Researchers are still investigating the exact toxicity of these particles to better understand the health risks for future human missions.

NIST scientists create 'any wavelength' lasers
2026-04-18

NIST scientists and collaborators have pioneered a technique to manufacture integrated light circuits by depositing complex patterns of specialized materials onto silicon wafers. This innovation enables the creation of highly versatile lasers that can operate at any wavelength directly on standard silicon chips.

Sumida Aquarium Posts 2026 Penguin Relationship Chart, with Drama and Breakups
2026-04-18

Sumida Aquarium has released its 2026 penguin relationship chart, mapping out the complex and often dramatic romantic lives of its flock. The highly anticipated annual diagram details new pairings, surprising breakups, and adorable connections among the birds for the upcoming year.

Michael Rabin has died
2026-04-18

Renowned computer scientist Michael Rabin has passed away, prompting widespread tributes from developers and former students. The tech community is mourning his loss while celebrating his foundational contributions, particularly the Rabin fingerprinting algorithm used in data deduplication and the Rabin-Karp method used in threat scanning. Alongside his technical legacy, former students fondly remember him as a masterful and engaging lecturer at universities like Harvard and Columbia.

Are the costs of AI agents also rising exponentially? (2025)
2026-04-18

Readers discuss how the high hourly costs of frontier AI agents compare to human software engineers, suggesting that cheaper distilled models and custom ASIC hardware could eventually drive down inference expenses. The conversation also highlights a potential industry shift from time-based project estimates to token-based spending models. Furthermore, commenters emphasize the critical need for better cost-attribution tools to accurately track granular AI agent expenses.

Amiga Graphics Archive
2026-04-18

The Amiga Graphics Archive is a newly launched website dedicated to preserving and showcasing visual art created for the Commodore Amiga home computer. Introduced in 1985, the Amiga featured revolutionary custom chips that delivered unprecedented graphics capabilities far beyond other personal computers of the era. This digital collection serves as a tribute to the pioneering visual legacy of the iconic retro system.

Hyperscalers have already outspent most famous US megaprojects
2026-04-18

Major tech hyperscalers are investing unprecedented capital into data center and AI infrastructure, with their current spending already surpassing the historical costs of the most famous US megaprojects. This massive financial commitment highlights the intense industry race to dominate the next generation of cloud computing and artificial intelligence.

"cat readme.txt" is not safe if you use iTerm2
2026-04-18

A newly identified vulnerability in the iTerm2 terminal emulator allows attackers to turn a simple "cat readme.txt" command into arbitrary code execution. By exploiting how the application processes terminal output, hackers can weaponize seemingly harmless file reads to run malicious scripts.

Thoughts and feelings around Claude Design
2026-04-18

Early users of Claude Design report mixed results, praising the tool for its logical information architecture but criticizing its strict usage limits and tendency to generate generic outputs. The conversation around the AI's homogenization problem quickly evolved into a broader debate about the current state of user interface and user experience design. Many participants lamented that marketing-driven demands for unique brand recognition have ultimately sacrificed the predictable, platform-level consistency found in older software.

Category Theory Illustrated – Orders
2026-04-18

Readers discussing an illustrated guide to category theory recommend more rigorous mathematical textbooks, noting the subject's steep learning curve for those without advanced backgrounds. Commenters also critique the original article's mathematical accuracy, specifically highlighting flawed logic in its sorting code examples. Furthermore, users debate the author's confusing definitions regarding strict versus non-strict linear orders and the handling of equality in mathematical comparisons.

Brunost: The Nynorsk Programming Language
2026-04-18

A developer has introduced Brunost, a new programming language that uses the Nynorsk written standard of Norwegian for its syntax. The creator humorously apologized to the tech community for adding yet another language to the already crowded programming landscape.

Show HN: I made a calculator that works over disjoint sets of intervals
2026-04-18

A developer has showcased a novel calculator that utilizes interval and union arithmetic to overcome floating-point precision issues and compute true inverses of mathematical functions. Originally built to test a custom TypeScript library for handling disjoint sets of intervals, the project has sparked community discussions regarding interval math standards, notation, and related graphical applications.