Explainable ⚡ How Tech Works @explainabletech
How tech actually works. AI, chips, touchscreens, batteries and everything in between, explained beautifully and simply. One mind-blowing explainer everyday. Global Joined May 2024-
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Your phone's blue dot comes from a satellite 20,200 km up, and the signal arrives weaker than the background noise. That's why GPS is so easy to jam. Xona's Pulsar satellites (first six launched 20 Oct) fly at ~510 km with a watermarked signal.
GPS is easy to jam because its satellites sit 20,200 km up. Xona's Pulsar satellites fly at about 510 km (roughly 40x closer, by our math) with a stronger, watermarked signal. First six launch on SpaceX Bandwagon-5.
An AI cracked an NSA mystery in under 30 minutes. The unexplained seeds behind the NIST curves came from a 1997 computer clock (Anthropic, 16 Oct). No sign of a backdoor, though the base points are still unexplained.
An AI cracked a 1997 NSA mystery in under 30 minutes. The "random" seeds behind NIST P-256 came from lrand48 seeded with the clock: 16 Aug 1997, 01:52:34 UTC. No sign of a backdoor. Base points still unexplained. (Source: Anthropic, 16 Oct)
Your iPhone sees your face in total darkness. It lights you with infrared you can't see, then sprays 30,000+ invisible dots to measure depth. Odds a stranger unlocks it: under 1 in a million. Source: Apple support Want the 6 Face ID settings worth turning on? Comment DARK
Opus 5.5 usage limits is draining ridiculously fast now Or is it only us ?
🚨Claude code users !! My usage for basically the same task was about 3X!! since the weekend compared to last week. Are you experiencing anything similar?? PLEASE TELL ME THEY DIDNT NERF OPUS5.5
New models dropping Gemini Carbon - 400% cheaper than Astra Fable 5.5 - will top all leaderboards Terra - medium-sized model at $5 per 1M tokens I expect all of them will be usable in production immediately, especially if Carbon is priced competitively.
Opus 5.5 on launch day: “this changes everything.” Opus 5.5 three weeks later: “did something happen?” Every frontier model has the same arc now. Hype, adoption, then the quiet vibes drop. Nobody’s publishing the evals that would settle it. Why not?
More than 300 local US data centre bans, and they've barely dented the build. SemiAnalysis checked project by project: about 21 GW sits in ban areas, but only about 2.3 GW, three projects, looks delayed. Bans don't revoke existing approvals. 38 GW is still due online in 2027.
A Cloudflare engineer built a programming language designed to break AI coders. In KillSwitch, every name is an adverb, you call a function by writing an anagram of it, and the spec deliberately lies, claiming code can take over networks. Best model: 66.8%. Most: under 50%.
Broadcom says a patch exists but declined a CVE. Kaiser found no patched device, and older eCos chips may never be fixed. theregister.com/networks/2026/…
In his demo, the hijacked router read its own Wi-Fi password out of memory, sent it back over the air, and he simply joined the network. In Belgium alone, rough estimates put about 1.56 million ISP gateways in the affected range.
Your router may be running a bug older than your phone, and some of these chips may never get a fix. Here's how a 16-year-old Wi-Fi flaw lets a stranger in range take over the box. No Wi-Fi password needed.
A developer asked Claude Code to help build a Mac temperature app. The CPU readings looked far too high: 112°C. Claude traced it to xmrig, a crypto miner hiding in startup items, using about 1175% CPU. On a Mac, 100% is one core. So roughly 12 cores were mining for a stranger.
Meta's new open model needs a terabyte of RAM, and the reason is plain arithmetic. It has 816 billion parameters. Even squeezed to one byte each, that's about 816 GB before you type a word. So it's pitched at a Mac Studio, where the GPU reads from one huge shared memory pool.
The catch: it found one strategy, an early rush, and half its wins land inside ten minutes. It barely uses heroes and has never faced a strong human. And the insane AI it beats gathers resources twice as fast as a normal player. warlock.ai/blog/warcrafts…
First it copied the built-in AI's orders to learn the basics. Then it played a league of its own past versions and kept whatever won. The finished brain is tiny, about 3.2 million weights, and decides for 60 units in about 13 milliseconds on an ordinary CPU.
One desktop with a single gaming GPU just taught itself to beat Warcraft III's hardest built-in AI about nine games in ten. The trick is how much Warcraft it played: 11 years of it, in roughly three weeks.
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