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Hvad er nanoteknologi?
Nanoteknologi, som blev afsløret af Norio Taniguchi på University of Tokyo i 1974,hurtigt nye teknologier baseret på mere avancerede følsomhed og nedskæringer afeksisterende teknologier. Denne teknologi vil i fremtiden sandsynligvis omfatter strukturelle maskiner og mekanismer med nano-størrelse dimensioner, kaldet Molekylær nanoteknologi (MNT). Nanoteknologi bruges til at måle en måleenhed, der kaldes nanometer (kort form nm). Hver måling har 1 milliard nm. Hver NM er kun tre til fem atomer bredt, dvs ca 40000 gange mindre end tykkelsen af en gennemsnitlig menneskehår.
Et aspekt af nanoteknologi
Super lille computere (bakterier-størrelse)
Super computere med en kubisk sukker størrelse og milliarder af bærbare magt
Det er muligt at gøre nano-størrelse desktop modeller af en vis størrelse, der trillioner mere magtfulde end nutidens computere.
Det høje potentiale i nanoteknologi er åbenbaret gennem love om kvantefysik. På dette stadium, quantum fysik love er aktiveret i nano størrelser og nye applikationer ioptisk, elektronisk, magnetisk storage, computing, katalysator og andre områder.
Nanoteknologi er ofte omtales som all-round teknologi. Fordi når det er gennemført, vil nanoteknologi har en vigtig plads i næsten alle sektorer og på alle samfundsområder. Bedre kan lavet, længerevarende, renere, sikrere og smartere produkter bruges i hjemmet, i kommunikation, i medicin, transport, i landbruget og i alle områderaf industrien.
Forestil dig en medicinsk instrument, der kan findes uden sprede kræftceller af cirkulerende i den menneskelige krop, eller det er meget lettere end stål, men det er etmateriale, der er ti gange stærkere end det er.
Hvorfor bør nanoteknologi anvendes med forsigtighed og følsomhed? Nanoteknologi, vil såsom elektricitet eller computere, tilbyde bedre muligheder i alle faser af vores liv. Men som med enhver ny teknologi, nanoteknologi har tovejs-brug, dvs. kommercielle brug og meget mere kraftfulde våben og overvågning værktøjer som følge af nanoteknologi på det militære område. Dette er grunden til, at nanoteknologi også bringer nogle risici samt fordelene for mennesker.
En af de vigtige sider af nanoteknologi er at det ikke kun giver bedre produkter, men også mere forbedret produktionsværktøjer. En computer kan kopiere datafiler såmeget som du ønsker på en meget lav pris eller gratis. Det kan gøre det så let og billig at kopiere de samme filer som den samme computer, f.eks i nanoteknologi. Deter grunden til, at nanoteknologi er omtalt som den næste industrielle revolution formange.
Nanoteknologi ikke kun vil tillade fremstilling af mange produkter af høj kvalitet tilen meget lav pris, men også for at gøre nye nano fabrikker til en lav pris og med samme høje hastighed. Grunden hvorfor nanoteknologi kaldes en hastigt voksende teknologi er evnen til at reproducere sin egen produktionsværktøjer.
Nanoteknologi; Det giver en hurtigere, lavere omkostninger og ren produktionssystem. Produktionsværktøjer kan gengives ved at multiplicere, så flere nano fabrikker vil producere milliarder af fabrikker inden for et par uger. Dette er en revolutionerende, innovative, kraftfuld og potentielt meget farlige eller nyttig teknologi.
Hvor hurtigt kan alle disse udviklinger ske?
De generelle skøn er, at det kan være mellem 20 og 30 år, eller endnu senere. Mende hurtige fremskridt inden for optiske, nano litografi, mekanisk kemi og 3d prototyping teknologier kan forkorte denne tid. Hvad er vigtigt her er ikke kun hvordan sådan forbedring kan ske på kort tid, men også hvordan klar vi er til denne nye teknologi.
Når vi spørger os selv nogle af de følgende spørgsmål, kan vi måske bedre opfatteden. Hvem vil have denne teknologi?
Er dette alt for begrænset eller vil nogen kunne få adgang til det?
Hvad vil han gøre for at lukke kløften mellem fattige og rige?
Hvordan er farlige våben skal være kontrolleret og forhindret i at være kompromitteret? Selv om de fleste af disse spørgsmål blev afsløret for 10 år siden, synes det stadig ikke at have fundet et svar.
Det er svært at sige præcis hvornår denne teknologi vil blive gennemført, og en af grundene er at skjult militær eller industrielle udvikling programmer bliver udført med en stor hemmelighed uden for en almindelig borger viden. Vi kan ikke præcist sige, at nanoteknologi vil blive udviklet i de næste fem til ti år i fuld skala. Men vi må være forberedt på alle scenarier og nøje følge nanoteknologi og udvikling.
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