[{"data":1,"prerenderedAt":235},["ShallowReactive",2],{"project-41596336":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":35,"aspects":36,"strip":41,"post_text":42,"what":43,"said":54,"maker_in_thread":125,"shape":135,"grid":139,"attempts":199,"same_week":200,"maker_shows":182,"maker_hidden":227,"reader_version":228,"card":229},"41596336","CNC Microscopy","CNC Microscopy for Fun","title","Show HN: CNC Microscopy for Fun","https:\u002F\u002Fwww.anfractuosity.com\u002Fprojects\u002Fcnc-microscopy\u002F","anfractuosity.com","anfractuosity",1726779568,2024,132,24,638,3515,19,"notable","creative","microscopy imaging","hardware",[24,25,26,27],"cnc microscopy","autofocus microscope","cd imaging","microscope stitching","curious",0.174,{"positive":31,"neutral":32,"mixed":33,"critical":34},3,5,0,2,10,{"execution":37,"idea":39,"design":40},{"positive":38,"critical":33},1,{"positive":34,"critical":38},{"positive":33,"critical":33},[32,33,31,38,33,33,33,33,33,33,33,33,33,33,32,32,33,33,31,31,38,31,33,31],null,{"problem":42,"audience":42,"pricing":42,"motivation":44,"time_to_build":42,"stack":51,"openness":52,"stage":53,"team_size":52},{"value":45,"source":46,"evidence":47},"Fun, imaging CD-ROM pits with a microscope","inferred",[48],{"id":49,"by":11,"text":50},"41603375","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…",[],"unknown","prototype",{"praise":55,"objections":64,"requests":72,"questions":88,"alternatives":104},[56],{"value":57,"source":58,"evidence":59},"Well done on alignment and snapshot handling, similar to optical CMM","commenter",[60],{"id":61,"by":62,"text":63},"41602241","2four2","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…",[65],{"value":66,"source":58,"evidence":67},"Imaging a CD with a microscope is less fun than using a CD player directly",[68],{"id":69,"by":70,"text":71},"41614118","234132412341","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…",[73,84],{"value":74,"source":58,"evidence":75},"Try imaging vinyl records",[76,80],{"id":77,"by":78,"text":79},"41605177","Animats","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]…",{"id":81,"by":82,"text":83},"41602164","alnwlsn","Would be really cool to read a whole CD this way. Actually, that wouldn't sound any different. You could read an LP though.",{"value":85,"source":58,"evidence":86},"Speed up autofocus to image a whole CD",[87],{"id":49,"by":11,"text":50},[89],{"value":90,"source":58,"evidence":91},"Whether photographing and distributing CD data is piracy",[92,96,100],{"id":93,"by":94,"text":95},"41602360","uSoldering","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?",{"id":97,"by":98,"text":99},"41603404","IncreasePosts","Yes.",{"id":101,"by":102,"text":103},"41604088","shadowpho","Piracy is not a technical definition but a legal one. If you zip\u002Fprint\u002Fscan\u002Focr\u002Ftrain ML on\u002Frestore from ML its still piracy even though none of the pixels are directly…",[105,112,118],{"value":106,"source":58,"evidence":107},"Laser turntable for vinyl playback",[108],{"id":109,"by":110,"text":111},"41602409","FuriouslyAdrift","For vinyl, there's always the laser player (used for preservation, too) https:\u002F\u002Fwww.elpj.com\u002F",{"value":113,"source":58,"evidence":114},"greaseweazle for CDs",[115],{"id":116,"by":117,"text":113},"41604593","joshu",{"value":119,"source":58,"evidence":120},"EnderScope open source microscope",[121],{"id":122,"by":123,"text":124},"41608815","knolan","See also the EnderScope: https:\u002F\u002Froyalsocietypublishing.org\u002Fdoi\u002F10.1098\u002Frsta.2023.0214 https:\u002F\u002Fgithub.com\u002FPickering-Lab\u002FEnderScope",{"comments":126,"answered":33,"key":127},4,[128,131,134],{"id":129,"text":130},"41604109","Thanks, I assume https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCoordinate-measuring_machine is what you're referring to, which look interesting, hadn't come across them before.",{"id":132,"text":133},"41606066","Cool, that sounds really interesting, what size film are you using that for? Is illuminating the film evenly hard too?",{"id":49,"text":50},{"commenters":136,"max_depth":31,"maker_replies":126,"first_comment_mins":137,"lifespan_hours":138},20,1029,53,[140,142,144,148,150,153,155,156,157,160,163,167,168,170,173,176,178,179,181,184,186,190,194,196],[61,33,32,141,62,33],"maker\u002Fpositive\u002Fexecution",[129,33,33,143,11,38],"commenter\u002Fneutral\u002Fnone",[145,38,31,146,147,33],"41603094","project\u002Fneutral\u002Fidea","molticrystal",[69,38,38,149,70,33],"project\u002Fcritical\u002Fidea",[151,34,33,143,152,33],"41604352","contingencies",[93,31,33,154,94,33],"other\u002Fneutral\u002Fnone",[97,31,33,154,98,33],[101,31,33,154,102,33],[158,31,33,154,159,33],"41611755","carbotaniuman",[161,31,33,154,162,33],"41607205","noncoml",[164,126,33,165,166,33],"41606038","commenter\u002Fneutral\u002Fdesign","flimsypremise",[132,126,33,143,11,38],[169,126,33,143,166,33],"41611264",[171,32,33,143,172,33],"41604826","dekhn",[77,174,32,175,78,33],6,"project\u002Fpositive\u002Fidea",[81,177,32,175,82,33],7,[109,177,33,154,110,33],[49,177,33,180,11,38],"project\u002Fneutral\u002Fexecution",[116,182,31,183,117,33],8,"project\u002Fneutral\u002Fnone",[122,185,31,183,123,33],9,[187,185,38,188,189,33],"41610711","project\u002Fcritical\u002Fnone","amy-petrik-214",[191,35,31,192,193,33],"41605413","project\u002Fneutral\u002Fdesign","ElCapitanMarkla",[195,35,33,180,11,38],"41605495",[197,35,31,180,198,33],"41608900","svara",[],[201,206,211,215,219,223],{"id":202,"name":203,"points":204,"category":205},"41635592","OpenFreeMap",848,"infrastructure",{"id":207,"name":208,"points":209,"category":210},"41604262","Container Desktop",464,"dev_tools",{"id":212,"name":213,"points":214,"category":210},"41591018","Sidekick",452,{"id":216,"name":217,"points":218,"category":20},"41609947","Time Flies",401,{"id":220,"name":221,"points":222,"category":22},"41603865","AnySkin",390,{"id":224,"name":225,"points":226,"category":205},"41642151","blogtech",303,false,"v2",{"id":230,"name":5,"line":6,"ai":227,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":231,"top":18,"kw":232,"maker":11,"domain":10,"tier":19,"attempts":33,"strip":233,"url":9,"mix":234,"praise":57,"objection":66,"sub":21},41596336,0.17,[24,25,26,27],"503100000000005500331303",[31,32,33,34],1794036661385]