TechForLive
Phones & BatteriesPCs, Storage & BackupsPrivacy & SecurityRobotics & DIY ElectronicsInternet & AppsFuture Tech Explained

HN Hacker News · · Science & Space

Starlink Mini 2

171 points and 181 comments on Hacker News.

Hacker News
Read the full story at Hacker News →Hacker News discussion

TechForLive shows the headline, the short excerpt and the picture the newsroom shares in its public feed. The reporting belongs to Hacker News.

Make sense of it: our guides

Robotics & DIY Electronics

Obstacle Avoiding Robot With Arduino and an Ultrasonic Sensor (HC-SR04): Full Tutorial

Turn a two-wheel robot car into an obstacle-avoiding robot with an HC-SR04 ultrasonic sensor and Arduino: wiring, distance code, decision logic and upgrades with a servo scanner.

3 min read · Updated Nov 10, 2026Robotics & DIY Electronics

Arduino vs Raspberry Pi: Which Should You Use for Your Project?

The real difference between a microcontroller (Arduino) and a single-board computer (Raspberry Pi), with a side-by-side comparison, project examples and when to use both together.

2 min read · Updated Nov 6, 2026Future Tech Explained

The "Superman Memory Crystal": How Glass Can Store Data for Billions of Years

How 5D optical storage writes data into quartz glass with lasers, how much it holds, what has been stored so far, Microsoft's Project Silica, and when it might matter to you.

2 min read · Updated Oct 31, 2026