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The latest blog posts to take off on Hacker News. 1,766 posts.
Hardware & Electronics
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Firmware update hides a device’s Bluetooth fingerprint
A smartphone’s unique Bluetooth fingerprint could be used to track the device’s user–until now. A team of researchers have developed a simple firmware update that can completely hide the Bluetooth fingerprint, eliminating the vulnerability.
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Intel is selling defective 13-14th Gen CPUs
We have been encountering significant problems with Intel CPU stability. Despite all released microcode, BIOS, and firmware updates, the problem remains unresolved.
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GE Aerospace Successfully Develops and Tests New Hypersonic Dual-Mode Ramjet
A dual-mode ramjet was developed and tested in less than 11 monthsTesting demonstrates a threefold increase in airflow compared to previously flight-tested hypersonic technology
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Floppy8 – A Tiny Computer, in a Floppy Drive (2023)
This post covers the design and creation of the Floppy8, a microcomputer and cartridge system which fits inside a floppy drive. To see it in action, checkout this video! The Floppy8 plays 4K movies and games on custom cartridges, features wireless controllers, status lights, motorized cartridge ejection and more! Simil
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The Race to Seal Helium HDDs (2021)
Long thought impossible, helium has been one of the greatest breakthroughs for high-capacity HDDs. This is the story the science behind them.
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First anode-free sodium solid-state battery
UChicago Pritzker School of Molecular Engineering2024352 points129 commentsHardware & Electronics details
UChicago Pritzker Molecular Engineering Prof. Y. Shirley Meng’s Laboratory for Energy Storage and Conversion has created the world’s first anode-free sodium
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Mechanical computer relies on kirigami cubes, not electronics
The mechanical computer uses a complex structure of rigid, interconnected polymer cubes to store, retrieve and erase data without relying on electronic components.
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AirPods fast connect security vulnerability
tldr: There's a security vulnerability (CVE-2024-27867) in the firmware of Apple AirPods. Anyone who knows the Bluetooth MAC address (which is somewhat public) can connect to your AirPods and listen to the microphone or play music. Even while the AirPods are connected to your phone (although music would stop playing…
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Exploring How Cache Memory Works
Even though we often hear terms like L1, L2, cache block size, etc., most programmers have a limited understanding of what cache really is. This is a beginner-friendly primer on how cache works.
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How to prolong lithium based batteries
Manufacturers take a conservative approach and specify the life of Li-ion in most consumer products as being between 300 and 500 discharge/charge cycles.…
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Testing Generative AI for Circuit Board Design
An article studying the use of LLMs fror designing circuit boards
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When are SSDs slow?
CedarDB is a database system that delivers unmatched performance for transactions and analytics, from small writes to handling billions of rows. Built on cutting-edge research to power today’s tools and tomorrow’s challenges.
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AMD's MI300X Outperforms Nvidia's H100 for LLM Inference
There has been much anticipation around AMD's flagship MI300X accelerator. With unmatched raw specs, the pressing question remains: Can it outperform NVIDIA's Hopper architecture in real-world AI workloads? We have some exciting early results to share. For the past month, TensorWave and MK1 have worked closely to…
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Diffractive Chocolate
Turn your chocolate into an edible color spectrum…
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The Backbone of Cybersecurity: Hardware Security Modules
Discover how Hardware Security Modules (HSMs) provide robust security solutions for managing cryptographic keys and protecting sensitive data in various industries.
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Particle accelerators for the microchip era
Swinging for the fencesThe term “particle accelerator” might lead most people to envision long underground tunnels stretching tens of kilometers and rooms full…
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Why do electronic components have such odd values? (2021)
If you've been around electronics for a while, you've probably noticed that components like resistors, capacitors, zener diodes and inductors come in some odd values. Looking at the chart above, there seems to be no clear rationale behind the values, but there is a pattern. 47kΩ resistors and 22μF capacitors are…
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YOLOv5 on FPGA with Hailo-8 and 4 Pi Cameras
Running multi-camera YOLOv5 on Zynq UltraScale+ using a Hailo-8 AI accelerator via FPGA Drive FMC
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Kino: Pro Video Camera
Today we're excited to launch Kino, a powerful filmmaking app for beginners and experts alike. As say they say in screenwriting, "Show, Don't tell," so let's walk through a few of the tent-pole features in our huge 1.0 release.
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AI headphones let wearer listen to a single person in a crowd by looking at them
A University of Washington team has developed an artificial intelligence system that lets someone wearing headphones look at a person speaking for three to five
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Reverse engineering ESP32 Wi-Fi driver: the road ahead
Estimating the effort needed to re-implement the Wi-Fi driver
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Modos Paper Monitor Pre-Launch on Crowd Supply
A fast, low-latency, open hardware e-ink monitor and dev kit