{"id":56350,"date":"2020-02-11T00:00:00","date_gmt":"2020-02-10T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/zapah-raskryvaet"},"modified":"2020-02-18T14:04:36","modified_gmt":"2020-02-18T11:04:36","slug":"zapah-raskryvaet","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/zapah-raskryvaet","title":{"rendered":"Lukten avsl\u00f6jar","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Att skriva den h\u00e4r artikeln inspirerades jag av <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dcmiran\/blog\/485504\/\">\u00f6vers\u00e4ttning<\/a><\/noindex>, d\u00e4r det talades om hur vi, n\u00e4r vi fokuserar p\u00e5 ansiktsigenk\u00e4nningsteknik, missar hela id\u00e9n om massdatainsamling: en person kan identifieras med helt andra data. \u00c4ven m\u00e4nniskor sj\u00e4lva anv\u00e4nder olika metoder f\u00f6r detta: till exempel f\u00f6rlitar sig en n\u00e4rsynt persons hj\u00e4rna p\u00e5 s\u00e4ttet att g\u00e5 f\u00f6r att identifiera m\u00e4nniskor p\u00e5 l\u00e5ngt h\u00e5ll, snarare \u00e4n att f\u00f6rs\u00f6ka k\u00e4nna igen ansiktet.<\/p>\n<p><\/p>\n<p>Id\u00e9n h\u00e4r \u00e4r att samh\u00e4llet mer eller mindre omedvetet avvisar nya teknologier ist\u00e4llet f\u00f6r att f\u00f6rs\u00f6ka f\u00f6rst\u00e5 den verkliga orsaken. <\/p>\n<p><\/p>\n<p>Men jag skulle vilja till\u00e4gga att det finns teknologier som kan ta \u00f6vervakningen till en helt ny niv\u00e5, vilket avsev\u00e4rt n\u00e4rmar sig en orwellskt verklighet. Och dessa teknologier \u00e4r mycket n\u00e4rmare en framg\u00e5ngsrik massimplementering \u00e4n vi kanske tror.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Och det \u00e4r teknologier som g\u00f6r det m\u00f6jligt att f\u00e5 s\u00e5dan information som vanliga m\u00e4nniskor inte \u00e4r vana vid att f\u00e5 i en omvandlad digital form. Och det handlar om dofter. Men i den verkliga v\u00e4rlden b\u00e4r en doft p\u00e5 en enorm m\u00e4ngd information, fr\u00e5n vilken m\u00e4nniskor kan f\u00e5 ytterligare information om dig personligen. Till exempel, \u00e4ven efter ett par minuter vid en brasa kommer dina kl\u00e4der att lukta av r\u00f6k, som kommer att stanna kvar i dem under en m\u00e4rkbar tid av en vecka f\u00f6r en otr\u00e4nad n\u00e4sa. Det finns hela parfymindustrier som arbetar med syntesen av dofter. <\/p>\n<p><\/p>\n<p>Visste du att det inte finns n\u00e5gon \"lukt av gammal m\u00e4nniska\"? Faktum \u00e4r att v\u00e4vnaderna och kroppssammans\u00e4ttningen fortfarande n\u00e4stan inte har n\u00e5gon lukt. Det \u00e4r bara s\u00e5 att huden har absorberat partiklar av \u00e4mnen fr\u00e5n luften fr\u00e5n alla de platser d\u00e4r han har varit under sitt liv. <\/p>\n<p><\/p>\n<p>\"Digitalisering\" av dofter ans\u00e5gs l\u00e4nge vara en sv\u00e5r uppgift, som i praktiken reducerades till kromatografi. Det vill s\u00e4ga metoder f\u00f6r att analysera den kemiska sammans\u00e4ttningen av ett \u00e4mne, direkt analyserande av vilka molekyler det best\u00e5r av. <\/p>\n<p><\/p>\n<p>F\u00f6r tjugo \u00e5r sedan var kromatografer laboratorieb\u00e4nkar, d\u00e4r det tog minuter eller tiotals minuter att analysera ett \u00e4mne.<\/p>\n<p><\/p>\n<p>Men idag \u00e4r uppgiften att best\u00e4mma gasens molekyl\u00e4ra sammans\u00e4ttning och j\u00e4mf\u00f6ra den med \"fingeravtryck\" av k\u00e4nda \u00e4mnen l\u00f6sbar i formatet av en b\u00e4rbar enhet. Och m\u00e5nga av er har s\u00e4kert sett den l\u00e4nge i tunnelbanan: det \u00e4r <noindex><a rel=\"nofollow\" href=\"http:\/\/www.analizator.ru\/production\/ims\/kerber-t\/\">KID Kerber<\/a><\/noindex>. Inom h\u00f6gst fem sekunder kan denna \"mini-dammsugare\" avg\u00f6ra om du har haft kontakt med spr\u00e4ng\u00e4mnen, droger, farliga gifter eller giftiga \u00e4mnen. <\/p>\n<p><\/p>\n<p>Det handlar om att lukten har unika egenskaper: <\/p>\n<p><\/p>\n<ul>\n<li>den tr\u00e4nger l\u00e4tt igenom de flesta material, inklusive m\u00e4nniskokroppens v\u00e4vnader. <\/li>\n<li>det finns ett stort antal olika doftsubstans&#8230;<\/li>\n<li>\u2026 som kan kombineras p\u00e5 olika s\u00e4tt.<\/li>\n<li>\u2026 har ocks\u00e5 en \"analog\" natur, d\u00e4r intensiteten regleras av m\u00e4ngden<\/li>\n<li>\u2026 men, precis som alla m\u00e4nniskans sinnen, har en logaritmisk relation mellan intensiteten och den \"upplevda\" niv\u00e5n.<\/li>\n<\/ul>\n<p><\/p>\n<p>Men i den verkliga v\u00e4rlden \u00e4r intensitet m\u00e4ngden av substansen. Fysiskt det totala antalet molekyler. Och, precis som med allt annat i den analoga v\u00e4rlden, blir vi allt l\u00e4ttare och mer exakta i att digitalisera dem. Snart kommer vi att kunna skapa enklare enheter som kan avg\u00f6ra om du var vid elden ig\u00e5r. Och i morgon \u2014 kanske till och med en vecka tillbaka i tiden. Och \u00f6vermorgon \u2014 ett helt \u00e5r tillbaka, dessutom kan vi avg\u00f6ra vilken typ av tr\u00e4 som brann. Hela denna doftbild kommer snart att kunna digitaliseras och omvandlas till ett unikt identifierande avtryck av dig, som kan l\u00e4sas p\u00e5 avst\u00e5nd. Med hela den tillg\u00e4ngliga historien vid l\u00e4sningens punkt.<\/p>\n<p><\/p>\n<p>Det \u00e4r mycket sv\u00e5rt f\u00f6r oss att f\u00f6rest\u00e4lla oss hur djupt doftv\u00e4rlden \u00e4r, men vi har i \u00e5rhundraden anv\u00e4nt hundars \u00f6verl\u00e4gsna luktsinne f\u00f6r att uppt\u00e4cka v\u00e4l g\u00f6mda farliga saker. Till exempel kan en hund som arbetar p\u00e5 tullen s\u00e4rskilja lukten av TNT, f\u00f6rpackat i flera vakuumf\u00f6rpackningar och \u00f6vergjutet med parfym, i en resv\u00e4ska. <\/p>\n<p><\/p>\n<p>P\u00e5 ett avst\u00e5nd av flera meter.<\/p>\n<p><\/p>\n<p>Hunden.<\/p>\n<p><\/p>\n<p>Bara f\u00f6r att dess ACD har ett bredare dynamiskt omf\u00e5ng och uppl\u00f6sning. Men milj\u00f6n \u00e4r densamma. S\u00e5 det handlar redan om teknik.<\/p>\n<p><\/p>\n<p>Kanske b\u00f6r vi b\u00f6rja t\u00e4nka p\u00e5 vilken fara den utbredda m\u00f6jligheten att identifiera m\u00e4nniskor efter lukt kan medf\u00f6ra.<\/p>\n<p><\/p>\n<p><em>Vi ber dig avst\u00e5 fr\u00e5n argumentet \"jag har inget att d\u00f6lja\" i diskussionen. Det tillf\u00f6r ingen ytterligare konstruktivitet. Denna fr\u00e5ga har diskuterats m\u00e5nga g\u00e5nger tidigare och samh\u00e4llet har redan kommit till en konsensus. Anv\u00e4nd s\u00f6kfunktionen, d\u00e4r finns styrkan.<\/em><\/p>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/487844\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u044d\u0442\u0443 \u0441\u0442\u0430\u0442\u044c\u044e \u043c\u0435\u043d\u044f \u0432\u0434\u043e\u0445\u043d\u043e\u0432\u0438\u043b \u043f\u0435\u0440\u0435\u0432\u043e\u0434, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u043b\u043e\u0441\u044c \u043a\u0430\u043a, \u0444\u043e\u043a\u0443\u0441\u0438\u0440\u0443\u044f\u0441\u044c \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u043b\u0438\u0446, \u043c\u044b \u0443\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u0432\u0441\u044e \u0438\u0434\u0435\u044e \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0433\u043e \u0441\u0431\u043e\u0440\u0430 \u0434\u0430\u043d\u043d\u044b\u0445: \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u0430 \u043c\u043e\u0436\u043d\u043e \u043f\u043e \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u043b\u044e\u0431\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c. \u0414\u0430\u0436\u0435 \u0441\u0430\u043c\u0438 \u043b\u044e\u0434\u0438 \u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438: \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0437\u0433 \u0431\u043b\u0438\u0437\u043e\u0440\u0443\u043a\u043e\u0433\u043e \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u0430 \u0434\u043b\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043b\u044e\u0434\u0435\u0439 \u043d\u0430 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u044f\u0445 \u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u043f\u043e\u0445\u043e\u0434\u043a\u0443, \u0430 \u043d\u0435 \u043f\u043e\u043f\u044b\u0442\u043a\u0438 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0442\u044c \u043b\u0438\u0446\u043e. 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