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Show Largest Cyclotron CyclotronBeing CyclotronBeing Being Constructed Constructedat at U . of MichiganAnn Michigan Michigani I IAnn i Ann Arbor-Ninety-five Arbor Ninety five Arbor . - Ninety-five Ninety five - - tons tonsof tonsof tonsof of iron and copper form the gi- gi giant giant gi giant - - ant electro-magnet electro magnet - which is the thefoundation thefoundation thefoundation foundation of the world's worlds ' larg larg- largest largest largest - est cyclotron , now under con- con construction construction con construction - struction at the University of ofMichrgan ofMichrgan ofMichigan Michrgan . Alteration Alterauon of atomic structure , al- al already al already - . ready accomplished accomphshed with other cy- cy cyclotrons cyclotrons cy cyclotrons - - clotrons , may be carried earned much far farther . ther with the Michigan apparatus apparatus.It apparatusIt . . It will have practical pracucal application apphcauon m in mthe inthe mthe the preparation of radio ramo active acuve salts saltstor saltsfor saltsfor tor for use in 111 the treatment of cancer cancerin , in addition to offering offermg an opportu opportu- opportunity opportunity - . nity for scientific investigation mvestIgatIon of ofthe ofthe ofthe the composition of atoms . 30,000 30000 , Volts Impact . , The magnetic field the electro electro- electromagnet electromagnet electromagnet - - magnet produces , the greatest in- in integrated in m integrated . - tegrated field eve e ever v e r developed developedcauses , causes the rotation of ions , electri electri- electrifled electrified . - fied fled particles parbcles , introduced mtroduced mto into the theduants theduants theduants duants , or halves , , of a flat cylmder cylinder cylinder.The cylinderThe . The speed of these ions is 1S acceler acceler- accelerated accelerated accelerated - - ated by a 30,000 30000 , volt impact each eachtune eachtime eachtime tune time they cross the dividing dlVldmg space spacebch spacebetween spacebetween bch between . cen the duantsIn duantsIn duants duantsIn In 200 revolutions , according accordmg to toDr toDr toDr Dr . James M Cork , who is direct d.1rect d1rect direct- directing . directing . - ing the construction of the cyclotron cyclo cyclo- cyclotron cyclotron - tron , , the ions attain attam a speed speedequal speed'equalto speedequalto -equal equal ' - equalto equal equalto to that thatvhich thathICh \vhich vhich \hICh hICh which \ . , . would v.ould vould result from an anJmpact animpact animpact Jmpact impact of 10 to 12 million volts . . As an ion accelerates , its orb1t orbit orb1tgrows orbitgrows orbitgrows grows larger , until l it ' reaches theouter the theouter theouter outer edges of the duants dumts : , where " , v here n a ndeflechng adeflecting adeflecting deflechng deflecting blade diverts it against againstthe againstthe againstthe the desired target . . |