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Curiosity Lab

Visual and simple explanations of electronics concepts — from electrons to Op-Amps.

5 articles
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Curiosity Lab

How Bluetooth Actually Works — How Your Earbuds Talk Without Wires

Explore the hidden engineering behind Bluetooth — from radio waves and pairing to codecs, latency, and why wireless earbuds work so seamlessly.

May 4, 2026·3 min read
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Curiosity Lab

How QR Codes Actually Work — The Hidden Science Behind Those Black Squares

Discover how QR codes use binary patterns, error correction, and machine vision to store information and instantly connect the physical world to digital systems.

May 3, 2026·3 min read
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Curiosity Lab

How Wi-Fi Works — How Wireless Internet Reaches Your Phone Through Walls

Learn how Wi-Fi works, how wireless internet signals travel through walls, what routers actually do, and why your Wi-Fi speed changes.

Apr 30, 2026·3 min read
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Curiosity Lab

How Capacitors Store and Release Energy

Explore the fascinating physics of capacitors — from the basic charging mechanism to why they're essential in every circuit.

Apr 20, 2025·3 min read
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Curiosity Lab

How Transistors Work — The Building Block of Modern Electronics

Understand how transistors amplify signals and switch currents, and why they're the most important invention of the 20th century.

Apr 10, 2025·3 min read