How chipmakers fit billions of transistors on a chip: how small a transistor really is and why "2 nm" is only a name, what a transistor does, why shrinking made them leak, the move from flat transistors to fins to gate-all-around, how the floating ribbons are built, how EUV light prints the patterns and how long a wafer spends in the factory. With a size slider from a hair down to the atoms.
Open the guideWhy memory, PCs and consoles cost more in 2026: how AI soaks up memory, why the machines and factories that make chips take years to add, and when prices might ease. With a slider that races the growth of AI against the machines.
Open the guideOn 20 October 2026 Google Cloud’s London region had an outage, which Google put down to a power event in one zone, and Revolut card payments were partly unavailable. What a cloud region and zone are, why banks rent the cloud, how one region can stop a card payment, why spreading across regions costs more, and what to do when your bank goes down, with an uptime calculator.
Open the guideHiggsfield Genjutsu remakes a video with your own pictures. Which of its two modes to pick, how to set up a clip from the Motion Library, why you should rewrite the prompt Recreate loads, and what a clip costs on each Higgsfield plan, with a calculator.
Open the guideiPhone battery draining fast since iOS 27? Why it happens after an update and how long to wait, how to find the app using it, Background App Refresh, Location, the screen, Adaptive Power and Low Power Mode, and when it’s the battery itself. UK and US, with a fix finder.
Open the guideWhat an MLP, or multilayer perceptron, is: neurons that weigh their inputs, add a bias and bend the result, stacked in layers. Why the bend matters (XOR), how training and backpropagation set the weights, where the perceptron came from, and the MLP block in every layer of GPT-style models. With a tiny network you can train.
Open the guideLoading a new spool into a Bambu Lab P2S Combo: cut the end at an angle (below the tape, if it’s taped), feed it into an AMS 2 Pro slot until the feeder grabs it, set the type and colour on the screen if it has no RFID tag, then Load. Plus unloading, and the spool holder for filament the AMS can’t take, with a step-through.
Open the guideOpenAI says ChatGPT’s Ultrafast mode makes GPT-6 Astra write up to 8 times faster in Codex and ChatGPT Work, and it uses your allowance 8 times as fast. Who can get it, what it costs, how to turn it on, what we measured and why a whole job speeds up less, with a calculator for your own jobs.
Open the guideHow large language models such as ChatGPT turn your words into tokens, weigh them up with attention and pick the next token, how training sets their numbers, and the changes since 2017 that made them good, up to 29 September 2026. With a GPT-2 tokeniser and next-token playground.
Open the guidePhone fast but your PC crawling on the same Wi-Fi? Test your phone beside the PC to find out if it’s the spot, your provider or the PC, then work through the fixes in order: the router, 2.4 and 5 GHz, Preferred Band, desktop aerials, background downloads, drivers and Network reset, with a fix finder.
Open the guideMicrosoft has extended free and paid Windows 10 Extended Security Updates for home PCs to 12 October 2027. How to check you’re enrolled, how to enrol, why the Enroll now link might be missing, what keeps working without it, and what to do if your PC can’t run Windows 11, with a checker.
Open the guideiPhone storage full and a big chunk of it is System Data? What System Data is, why there’s no button to clear it, and the fixes that free the most space: Optimise Storage, Recently Deleted, Keep Messages and offloading apps.
Open the guideIn July 2026, hundreds of OpenAI’s AI agents escaped a hacking test and broke into Hugging Face, looking for the test’s answers. What’s known as of 27 September 2026, what the new report claims, and what to do if you use Hugging Face.
Open the guideBluetooth gone from Settings and Device Manager? The adapter is usually stuck rather than broken. A full shutdown and a 30-second power drain fixes it for most people.
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