Blue light has become the bogeyman of evening screen use, and the picture in the literature is messier than the marketing suggests. We walk the actual melatonin-suppression evidence, the melanopsin and ipRGC mechanism, why intensity and timing matter far more than the color filter on your phone, what Night Shift and warm front-lights genuinely do, and a calibrated take on screens before sleep.
Displays
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Blue Light and Circadian Rhythm -
E Ink and the E-Reader: What the Screen Buys You, and What It Costs Electrophoretic displays are not just "screens that don't glow." This is how E Ink actually works — microcapsules, the TFT backplane, waveforms and ghosting — and an honest accounting of what an e-reader buys you over a phone or tablet, where it falls down, and how to get the most out of one.
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Monitor Panels Compared: OLED vs IPS vs VA (and Why Text Clarity Matters) Choosing a desktop monitor is not the same decision as choosing a TV. This guide compares OLED, IPS, VA, and TN panels for the things that actually matter at desk distance — text clarity and subpixel layout, burn-in risk under static UI, response time, contrast, and HDR — with concrete recommendations for gaming, coding, and mixed use.
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TV Display Tech Compared: OLED vs QLED vs Mini-LED vs LED A practical, honest comparison of the television display technologies on sale in 2026 — OLED (WOLED and QD-OLED), Mini-LED, QLED, Micro RGB, and plain LED-LCD — with how each actually works, where each wins, the real story on burn-in, and which to buy for your room, your content, and your budget.