Glow in the dark display | Hacker News Reader

Glow in the dark display

home.kpn.nl

81 pointsBlackLotus8918 comments

If you like the style of this project, be sure to check out Alan Yates' computer drum memory using this technique. https://youtu.be/izApC7P55po

I was so overwhelmed by the web page itself that I forgot to read the content first time round. Truly a thing of beauty.

Given that this content is quite recent, it has to be a conscious choice. It just has to be.

The project itself is really cool. It would be nice if the page wasn't wider than my screen, though.

Before responsive, plain HTML was already responsive. This is from a era where folks were trying to ruin that with tables (and succeeded here).

right click the picture at the top and inspect the element, then adjust the width to ~960px or whatever works for you

That's an awesome channel. I always subscribe via RSS to channels I like but something about that type of page, with the user name in the URL instead of the channel id, make it really hard to find the feed url. It's not even in the page source like regular channels (looking at page source even caused a 500 in Firefox). I almost gave up but I finally managed to find it [1] if anyone else wants it.

[1] https://www.youtube.com/feeds/videos.xml?channel_id=UC2q1cmW...

IIRC, red laser light can cause some glow in the dark materials to lose charge more rapidly, so you could potentially build a wiping mechanism that would allow you to display information faster on the barrel.

Very cool project and hilarious video (the old floppy used as a solder iron holder is priceless:) I just ordered some glow in the dark tape to do a few experiments as I'm sure it can be light by a laser (possibly IR) to make much bigger displays. Does anyone have some of such tape and could confirm?

Also bonus points for the simple and readable site, though it doesn't word wrap correctly, it seems the text wrapping is fixed to the upper image size: once its white background stops shrinking also does the text wrapping.

You want to go in the other direction - ultra violet. There are LEDs that are in the 360-380nm range that don't produce visible light, but will still charge glow-in-the-dark materials. The higher the frequency, the less efficient it will be, however, and below 320nm they can be hazardous to skin or eyes.

Excellent project, love the creativity and tech chops! Also biggup for all the 'old school' commodore paraphernalia (Looking at you Datasette!)

This makes my week (end:-)

Just so enjoyable to watch the progress. And the use of a 5.25" floppy, well, was something (don't let that fool u, just an aside.)

Wow this is awesome! The pure HTML site is quite nostalgic too. I wonder how long the display lasts before the texts fades?

I really want to play with these ESP8266. I've got a couple of them gathering dust, any good resources for a beginner with a Raspberry Pi as the system to program those?

If you're just getting started, you're probably better off using the ESP8266 via the Arduino IDE.

https://github.com/esp8266/Arduino

I didn't see in the description or the demo: What's the frame rate of this display?

0.033 fps, it updates once every 30 seconds.

Oh, that Dutch humor!

How I miss that.....

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