CNC Microscopy
Creative
microscopy imaging
SHOW HN2024
132points
24comments
#638of 3,515 in 2024
Top 19%of 2024 by points
How HN took it
CuriousMostly questions and neutral comments
3 positive, 5 neutral or asking, 0 mixed, 2 critical, out of 10 comments about the project. Thread score +0.17.
Idea: 2 for, 1 againstExecution: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Well done on alignment and snapshot handling, similar to optical CMM
From 1 comment
This is basically how an optical CMM (OMM) works. There are tricks to determining and calibrating out alignment issues and determining snapshot viability, and you're touching on…
2four2 on HN
Objections
Imaging a CD with a microscope is less fun than using a CD player directly
From 1 comment
Somehow that seems less fun. Take a thing that was already designed to image data pits on a CD, and use it for exactly that, but in the wrong way. Might as well just plug a CD…
234132412341 on HN
Requests
Try imaging vinyl records
From 2 comments
Nice. Try to image a vinyl record. Maybe someone can write something to play such images. The Library of Congress has such a system, called IRENE, but it was very expensive.[1]…
Animats on HNWould be really cool to read a whole CD this way. Actually, that wouldn't sound any different. You could read an LP though.
alnwlsn on HN
Speed up autofocus to image a whole CD
From 1 comment
I just added an extra image where you can see contours being drawn around the 'pits' of the CD-ROM. I need to improve the speed of the autofocus etc. before I can image a whole…
anfractuosity on HN
Questions
Whether photographing and distributing CD data is piracy
From 3 comments
If you photograph and stitch a panorama of a CD at a resolution with the data visible and distribute it under your copyright, is it piracy?
uSoldering on HNYes.
IncreasePosts on HNPiracy is not a technical definition but a legal one. If you zip/print/scan/ocr/train ML on/restore from ML its still piracy even though none of the pixels are directly…
shadowpho on HN
Alternatives named
Laser turntable for vinyl playback
From 1 comment
For vinyl, there's always the laser player (used for preservation, too) https://www.elpj.com/
FuriouslyAdrift on HN
greaseweazle for CDs
From 1 comment
greaseweazle for CDs
joshu on HN
EnderScope open source microscope
From 1 comment
See also the EnderScope: https://royalsocietypublishing.org/doi/10.1098/rsta.2023.0214 https://github.com/Pickering-Lab/EnderScope
knolan on HN