lathiatSep 2020Recommends
This works for direct illumination (eg an LCD screen) but fails for reflected light (eg a light). This video from Technology Connections helps explain ▶ this video
in “Short History of LED Lighting” · View on HN
The Weird World in RGB
The Weird World in RGB on HackerTube: recommended by 1 Hacker News commenter across 1 month, 2020–2021.
Technology Connections
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Technology Connections explains how RGB light and color work, from hue and saturation to color vision and how objects appear under different lighting. It uses a studio setup with colored lights to demonstrate the effects.
Why Hacker News recommends it
HN points to it as an accessible explanation of how color and reflected light behave, especially under LED lighting.
- people recommended it
- 1
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- strong recommendations
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- discussed on HN
- 2020–2021
“This video from Technology Connections helps explain”
What HN commenters said
3 Hacker News comments link this video. Each one links back to its thread.
goblin89Nov 2021Cites it
Why would you do that I don't know, but for me personally the reason is that LEDs tend to strobe (sometimes noticeably to peripheral vision) and do not emit a smooth continuous spectrum—unlike incandescent bulbs, they produce a narrow, spiky spectrum[0] and objects in your room may look unnatural as they reflect it[1]; this may be especially bad with some RGB LEDs but fundamentally is a property of all LED lights because physics. [0] [link] [1] ▶ this video
in “Japanese Philosophies That'll Help You Spend Money Consciously” · View on HN
zinekellerFeb 2021Cites it
Short answer: No. We (the majority anyway, as some are colourblind) only perceive lightness, reddish, greenish, and bluish. The brain uses the info and effectively synthesises the image in our brains. Long answer: Colour is a very rabbithole topic but Captain Disillusion has a summary of it ( [link] ) and Technology Connections has a discussion ( ▶ this video ).
in “Perseverance Rover lands on Mars [video]” · View on HN
Topics & tags
Graphic design & typographyEveryday physics & science demosNeuroscience & the brainrgbcolor theorycolor visionled lightingtechnology connections