Inspired by a YouTube video explaining matrix operations using flags, a developer built a compact encoding system that stores country flags in as little as 11 bits by breaking them into stripes, colors, and simple shared elements like stars or crosses. The system deliberately excludes coats of arms, state or city flags, and Nepal's non-rectangular flag to keep the encoding tractable, accepting that decoded flags will be recognizable but not pixel-perfect.
Signal has introduced Automatic Key Verification, a key transparency feature that checks whether the public keys stored for your account actually belong to your own devices, reducing reliance on manually comparing safety numbers. Trail of Bits built one of three independent auditors that continuously verify this system by maintaining its own Merkle tree copy of the global key map and periodically signing it to confirm consistency.
Amazon has cut the price of the Strebito 144-in-1 screwdriver set from $49.99 to $39.99, a 20% discount. The kit includes an electric driver with a rechargeable 350 mAh battery, a manual precision driver, 120 magnetic bits, and 22 additional maintenance tools for electronics repair and PC building.
A research team reports developing a pretraining method that matches DeepSeek V4 Pro Base's performance using roughly 50 times less compute, at an estimated cost of about $0.5 million on GB200 chips. Scaling the same recipe up 10x further, to roughly $4 million, reportedly surpassed all publicly available open base models on perplexity benchmarks.
YouTube appears to be rolling out an Android UI update that shows a red indicator on the scrub bar whenever users double-tap to skip forward or backward in a video, revealing exactly how much time was skipped. The manual scrubbing experience remains the same, still displaying elapsed skip time as users drag the bar. The change has been spotted on the stable app version 21.33 on devices like the Pixel 11 Pro, Pixel 10 Pro, and Galaxy Z Fold 7, though it hasn't reached all devices yet.
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