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The Fascinating History of Blue: From Ancient Pigments to Modern Tech

2025-09-04

This article explores the fascinating evolution of blue throughout history, from ancient Egyptian blue to modern Prussian blue and LEDs. The author argues that blue, being a difficult color to create artificially, has long been associated with technology and the future. From ancient natural pigments to modern synthetics and the breakthrough of LED technology, blue consistently represents technological advancement and humanity's conquest of nature. Rich historical details and images showcase blue's unique place in art, technology, and culture.

The Humble Geissler Tube: Ancestor of Modern Tech

2025-08-23

In 1854, Heinrich Geissler, a glassblower, invented the Geissler tube, an early gas-discharge tube. This seemingly simple invention became the ancestor of countless modern technologies. The Geissler tube led to the development of fluorescent and neon lighting, and more importantly, it revolutionized physics, playing a crucial role in the discovery of the electron and X-rays. Its evolution culminated in cathode-ray tube displays and vacuum tubes, ultimately laying the foundation for modern electronic computers. This unassuming technology profoundly impacts our world today.