[{"data":1,"prerenderedAt":358},["ShallowReactive",2],{"project-49489376":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":42,"post_text":44,"what":45,"said":65,"maker_in_thread":138,"shape":143,"grid":147,"attempts":320,"same_week":321,"maker_shows":41,"maker_hidden":350,"reader_version":351,"card":352},"49489376","Laser Graffiti","Thanks!","maker","Show HN: Laser Graffiti","https:\u002F\u002Flaser.consti.de","laser.consti.de","con",1788006491,2026,253,61,189,4366,5,"legend","creative","laser projection art","web_app",[24,25,26,27],"laser graffiti","laser pointer drawing","projection art","webcam laser tracking","mixed",0.259,{"positive":31,"neutral":32,"mixed":33,"critical":34},11,12,0,6,29,{"idea":37,"execution":40},{"positive":38,"critical":39},4,2,{"positive":41,"critical":33},1,[43,33,43,33,33,33,43,43,41,41,33,33,33,41,33,33,33,43,41,33,41,43,43,33,43,18,43,18,33,41,18,43,43,18,18,18,33,33,18,18],3,null,{"problem":44,"audience":44,"pricing":44,"motivation":46,"time_to_build":44,"stack":55,"openness":62,"stage":63,"team_size":64},{"value":47,"source":7,"evidence":48},"Inspired by Graffiti Research Lab's laser tag project; maker wanted to make it a web app.",[49,52],{"id":50,"by":11,"text":51},"49516426","Thanks! This was absolutely the inspiration - and I've also mentioned it on the page (right under the video) and in the repository's Readme.",{"id":53,"by":11,"text":54},"49517015","Hi HN and สวัสดีครับ! I remember seeing this the first time in Vienna by a friend of mine, Michi who came back from NYC and I believe he learned about it at the local hacker…",[56],{"value":57,"source":7,"evidence":58},"Processing (original Mac app by Michi and oneup)",[59],{"id":60,"by":11,"text":61},"49519526","Sushimako, my YC cofounder actually reminded me of some more details: Here's a video [0] of Bre Pettis talking with Michi about Laser Tagging from the Graffiti Research Lab in…","open_source","launched","unknown",{"praise":66,"objections":91,"requests":103,"questions":111,"alternatives":123},[67,83],{"value":68,"source":69,"evidence":70},"Fun nostalgic project inspired by Graffiti Research Lab","commenter",[71,75,79],{"id":72,"by":73,"text":74},"49514601","mapkkk","This is what I immediately thought of as well, I'm just grateful you remembered the name of the project. An absolute blast from the past, thank you for unlocking the memories of…",{"id":76,"by":77,"text":78},"49516420","trial3","i’m so happy this is the top comment. i’m someone who found the GRL as… a middle schooler and boy was it the coolest thing i’ve ever seen at the time",{"id":80,"by":81,"text":82},"49489790","giov4","very cool, I can imagine use-cases like a friends evening playing at home with the projector or even school doing didactic. love the whole simplicity and the style too.",{"value":84,"source":69,"evidence":85},"Creative use of tech",[86,90],{"id":87,"by":88,"text":89},"49517618","harlan_pdx","Reminds me of messing with old laser pointers as a kid, but way more sophisticated. Love seeing creative uses of tech.",{"id":80,"by":81,"text":82},[92],{"value":93,"source":69,"evidence":94},"Green laser pointers can cause eye damage from reflections",[95,99],{"id":96,"by":97,"text":98},"49517464","nixosbestos","These green laser pointers are bright enough to cause eye damage from the reflection off surfaces, for humans and pets.",{"id":100,"by":101,"text":102},"49519626","DonHopkins","WARNING: DO NOT LOOK INTO LASER WITH REMAINING EYE",[104],{"value":105,"source":69,"evidence":106},"Support for multiple lasers",[107],{"id":108,"by":109,"text":110},"49498612","doanthu249","So cool! I can see its application in presentation. Does this support more than 1 laser btw?",[112,116],{"value":113,"source":69,"evidence":114},"Does it support more than one laser?",[115],{"id":108,"by":109,"text":110},{"value":117,"source":69,"evidence":118},"Will a laser thermometer work?",[119],{"id":120,"by":121,"text":122},"49527473","BorisMelnik","I dont have a laser pointer, will a laser thermometer work?",[124,131],{"value":125,"source":69,"evidence":126},"LaserPecker engraver",[127],{"id":128,"by":129,"text":130},"49522597","FuriouslyAdrift","If you want something a bit more \"permament\" there's the LaserPecker portal 10W engraver. https:\u002F\u002Fus.laserpecker.net\u002Fproducts\u002Flaserpecker-lp4-portable-ir-diode-dual-laser",{"value":132,"source":69,"evidence":133},"Graffiti Research Lab laser tag",[134],{"id":135,"by":136,"text":137},"49513717","thot_experiment","https:\u002F\u002Fgraffitiresearchlab.com\u002Fblog\u002Fprojects\u002Flaser-tag\u002F#video everything old is new again, and toys will be toys",{"comments":18,"answered":41,"key":139},[140,141,142],{"id":50,"text":51},{"id":53,"text":54},{"id":60,"text":61},{"commenters":144,"max_depth":18,"maker_replies":18,"first_comment_mins":145,"lifespan_hours":146},46,24,119,[148,150,154,155,158,161,162,165,168,170,173,174,177,181,185,188,191,193,195,198,201,204,207,209,212,215,217,220,221,223,225,227,230,233,236,238,239,241,244,248,251,255,260,262,266,268,269,272,274,277,281,286,288,290,294,296,300,304,309,313,317],[135,33,43,149,136,33],"project\u002Fneutral\u002Fidea",[151,33,33,152,153,33],"49514581","other\u002Fneutral\u002Fnone","ddellacosta",[72,33,33,152,73,33],[156,33,43,149,157,33],"49514991","amenghra",[159,33,33,152,160,33],"49515462","sleepybrett",[76,33,33,152,77,33],[163,33,33,152,164,33],"49517172","echelon",[166,33,33,167,121,33],"49527494","commenter\u002Fneutral\u002Fnone",[50,33,33,169,11,41],"maker\u002Fneutral\u002Fidea",[171,33,43,149,172,33],"49517600","thunderbong",[128,33,43,149,129,33],[175,33,33,152,176,33],"49548735","MomsAVoxell",[178,41,41,179,180,33],"49513803","project\u002Fcritical\u002Fidea","Vakaiser",[182,41,41,183,184,33],"49513903","project\u002Fcritical\u002Fnone","grufkork",[186,41,33,167,187,33],"49515026","brianpan",[189,41,33,167,190,33],"49515079","clickety_clack",[192,41,33,167,160,33],"49526836",[194,41,33,167,190,33],"49531003",[196,41,33,167,197,33],"49523109","21asdffdsa12",[199,41,41,183,200,33],"49516241","trashcan_man",[202,41,33,167,203,33],"49518433","teiferer",[205,41,33,167,206,33],"49519091","vortegne",[208,41,33,167,203,33],"49519731",[210,41,33,152,211,33],"49520246","andai",[213,41,33,167,214,33],"49520805","socalgal2",[216,41,33,167,203,33],"49520884",[218,41,43,149,219,33],"49519317","RobotToaster",[100,41,41,183,101,33],[222,41,33,152,197,33],"49523097",[224,41,33,152,211,33],"49520194",[226,41,41,179,214,33],"49520785",[228,41,33,152,229,33],"49524535","dolmen",[231,39,43,149,232,33],"49513696","nico",[234,39,43,235,153,33],"49514589","project\u002Fneutral\u002Fnone",[53,43,33,237,11,41],"maker\u002Fneutral\u002Fnone",[60,43,33,237,11,41],[240,43,43,235,160,33],"49526856",[242,38,33,152,243,33],"49515132","tabulatouch",[245,18,18,246,247,33],"49494934","project\u002Fpositive\u002Fexecution","TM_0624789",[249,34,33,152,250,33],"49518986","anthonyko",[252,253,43,149,254,33],"49517883",7,"cold_boot",[256,257,18,258,259,33],"49523193",8,"project\u002Fpositive\u002Fidea","agys",[261,257,33,152,229,33],"49524324",[263,264,33,152,265,33],"49518164",9,"lee_ward",[96,267,41,183,97,33],10,[87,31,18,258,88,33],[270,32,18,258,271,33],"49517863","d_finch",[108,273,43,235,109,33],13,[275,273,33,276,11,41],"49498619","maker\u002Fneutral\u002Fexecution",[278,279,43,235,280,33],"49515047",14,"hydropax",[282,283,18,284,285,33],"49524467",15,"project\u002Fpositive\u002Fnone","ishbrzero",[120,287,43,235,121,33],16,[80,289,18,258,81,33],17,[291,292,18,284,293,33],"49489508",18,"AFF87",[295,292,33,237,11,41],"49489734",[297,298,33,152,299,33],"49525057",19,"Patrickkkkkkkk",[301,302,33,152,303,33],"49513880",20,"reaperducer",[305,306,18,307,308,33],"49521887",21,"maker\u002Fpositive\u002Fnone","DylanMerigaud",[310,311,18,284,312,33],"49522071",22,"deastwood",[314,315,18,284,316,33],"49514055",23,"Transformanshen",[318,145,18,284,319,33],"49515348","Tomlmmrs",[],[322,327,331,336,340,345],{"id":323,"name":324,"points":325,"category":326},"49461817","load-bearing",710,"ai",{"id":328,"name":329,"points":330,"category":326},"49524447","slotstream",240,{"id":332,"name":333,"points":334,"category":335},"49471965","OpenTIE",231,"games",{"id":337,"name":338,"points":334,"category":339},"49478426","wilsonharper.net","hardware",{"id":341,"name":342,"points":343,"category":344},"49471407","Experiential",222,"dev_tools",{"id":346,"name":347,"points":348,"category":349},"49528895","Weedout",185,"consumer_social",false,"v2",{"id":353,"name":5,"line":6,"ai":350,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":354,"top":18,"kw":355,"maker":11,"domain":10,"tier":19,"attempts":33,"strip":356,"url":9,"mix":357,"praise":68,"objection":93,"sub":21},49489376,0.26,[24,25,26,27],"3030003311000100031013303535015335550055",[31,32,33,34],1793991165136]