Alfred Nobel Essay

1481 words - 6 pages

a very good essay on Alfred Nobel excellent, very well wordedAlfred NobelHan har kallats en av de största uppfinnarna i världshistorien! Och nästan alla i hela världen känner till honom! ALFRED NOBEL!Alfred Bernard Nobel föddes I Stockholm den 21 Oktober 1833. Hans släkt hette från början Nobelius och Alfreds far Immanuel Nobel trodde att detta namn härstammade ifrån en engelsk präst som invandrade till Sverige, men detta skulle sedan visa sig vara helt fel. När man började forska vidare på området I början av 1920-talet så kunde man spåra släkten ända tillbaka till 1600-talet. Den ...view middle of the document...

Han blev mycket fascinerad av det eftersom det har mycket förrädiska egenskaper. T.ex. att det kan explodera när man framställer det. Efter en rad långa och riskfyllda experiment hade Alfred fått fram en metod för att framställa nitroglycerin i tillräckliga mängder för att kunna utföra praktiska prov. 1862 kom Alfred på den ljusa idén att blanda nitroglycerin med svartkrut och antända blandningen med stubintråd. Den 14 oktober 1863 fick han svenskt patent. Detta var hans första inom sprängtekniken.Men det visade sig att denna blandning inte var tillförlitlig och därför att Nitroglycerin och krut inte trivs tillsammans. Därför kom hans nästa stora uppfinning. bara några månader senare.Nitroglycerin och Krut trivs inte tillsammans, så Alfred försökte med en separat krutladdning. han laddade ett provrör med krut, satte i en stubin och sänkte ner det i en behållare med nitroglycerin. Det blev en jättexplosion. Detta var Nobels initialtändare! Många sprängämnesexperter anser att detta var hans största uppfinning. Med hjälp av tändhatten som uppfinningen kallas hade Alfred nu tämjt Nitroglycerinet! När nitroglycerinet skulle ut på marknaden fick den handelsnamnet Sprängolja eftersom nitroglycerin lät alldeles för vetenskapligt för gamla gruvarbetare. Efter ett tag kom Alfred på att sprängoljan inte var så bra som han först hade trott. Den var väldigt instabil och tålde inte långa transporter. Det fanns inget annat för Alfred att göra än att gå in i labratoriet igen. Denna gång skedde detta på en pråm på floden Elbe i Tysland.Alfred försökte nu med att blanda i olika tillsatser i Sprängoljan. Kol, sågspån, cement och till och med murbruk men ingenting fungerade. Då kom han på att han kunde ta den speciella sand från flodbanken som fanns där och blanda i sprängoljan. Nu hände det grejor. Massan som bildades var väldigt formbar, men framför allt så var den inte ömtålig.Nu var dynamiten uppfunnen.På våren 1867 åkte Alfred till Storbritannien. Här hade han en uppvisning, som var mycket lyckad. Efter denna kom det in så många beställningar att Nobels fabriker i Sverige och i Tyskland inte kunde tillverka så mycket dynamit som...

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