The Global Positioning System (GPS) relies on its primary L1 frequency to broadcast precise timing and orbital data, allowing receivers on Earth to calculate their exact location. Because the L1 C/A signal transmits at just fifty bits per second, every bit…

I stumbled across a broken Sigma 45mm f/2.8 Art lens for a very cool $58.65 USD that I simply could not resist. I've been eyeing an AF lens in the 50mm range for my recent endeavors with L-mount cameras and this looked like the perfect fit. This lens is commonly…

A weblog by ldstephens

Learn how Lockdown Mode limits access to the web and external services to help reduce data exfiltration risk from prompt injection attacks.

This week I want to try something a little different. Rather than taking apart a particular fantasy military system, I thought I might try to lay out a more general sense of how military systems te…

Not doing the reading.

SpaceX won’t get easy access to billions of dollars from passive investors.

In this post we look under the hood of BrightData's SDK and how it turns ordinary consumer TVs into exit nodes of an enormous commercial, residential proxy network leveraged by the AI industry to scrape web data and train language learning models.

Six years ago, I nearly got my ISP to upgrade our fibre connection to 1Gbps. As I said at the time: This is a curmudgeonly post which is going to look ridiculously outdated in a few years. What's the point of Gigabit broadband? Well, it's a few years later…

In a statement, a Google representative described the deal as a result of unexpected demand for its recently launched AI products.

Rare book collecting is booming. Young people raised in the digital age are seeking tangible connections to the past.

Nvidia is proposing a beast of a CPU system for Windows PCs.
It has 128 GB of shared memory and comes with up to 6,144 state-of-the-art CUDA cores.

CPU wise, the chip has 10 performance cores and 10 efficiency cores. The performance cores are based on the…

Between April 1 and May 15, 2026, a group of 49 mathematicians compiled a dataset of research-level mathematics questions with known answers. Most of the work was done during the 3-day workshop...