Kwakusemva ngo-Epreli kwangalo 2016 xa kungekho wumbi ngaphandle UStephen Hawking, kunye nosozigidigidi Yuri Milner, yenze umsebenzi okhethekileyo obhaptizwe ngegama lika Ukuphumelela iStarshot apho umbono omtsha wacetywa ngokoqobo ukwenza i-nano-spacecraft ekwaziyo ukuhamba kwimishini yokuhlola ukuya e-Alpha Centauri. Ngeli xesha, baninzi abo bachaza le ngcamango njengephambene, ukutsho okuncinci, nangona, kwiinyanga kamva, safumanisa ukuba akukho ngaphantsi kwe NASA kunye KAIST o Iziko laseKorea leSayensi neTekhnoloji, bajoyine iprojekthi.
Kwiinyanga kamva kubonakala ngathi umbono wokuqala kaStephen Hawking uyamila kwaye esi sizukulwana sitsha se-interstellar nanoships, ngoku ebizwa ngokuba '.StartChip', ingaba yinyani. Ngenxa yoko, a itshiphu entsha yeenanometer ezingama-20 ekwaziyo ukumelana nomthamo omkhulu wemitha enkosi, njengoko abayili bayo bebanga, kwinto yokuba iphuhliswe kwiitransistor ezikwaziyo ukuziphilisa.
I-NASA kunye ne-KAIST bajoyina umbono ongaqhelekanga wokuphononongwa kwendawo ecetywe nguStephen Hawking
Olunye uphawu oluphambili sisantya ekufuneka ezi nqanawa zisifikelele kuba, ngeendlela zangoku, ukuba sifuna ukufikelela kwi-Alpha Centauri besiya kufuna iminyaka emalunga ne-18.000. Ukuzama ukunciphisa eli xesha libe lincinci, uStephen Hawking ebesebenza kwinkqubo apho inqanawa inokuhamba ngayo nakwisihlanu sesantya sokukhanya, ngaloo ndlela. ixesha elifunekayo liya kuncitshiswa libe yiminyaka engama-20.
Emva koku, isazinzulu kunye nomphandi kuye kwafuneka bajongane neengxaki ezininzi ezinje ngemitha ebukhali ekuya kufuneka imelane nenqanawa kunye notshintsho olukhulu lobushushu olukhoyo kwindawo enzulu. Yile ndawo kanye apho i-NASA kunye ne-KAIST beza khona, benoxanduva lokwenza i-chip apho, endaweni yokusebenzisa inkqubo ye-FinFET, bakhethe into eyaziwa njenge 'isango-macala onke'. Kule nkqubo, isango elijikeleze i-nanowire livumela okanye lithintele ukuhamba kwee-electron, ezivumela ukuba ubushushu obungaphezulu kwama-900 degrees ngaphantsi kwee-nanoseconds ezili-10.
Kuvavanyo olwahlukileyo olwenzayo ngeentlobo ezahlukeneyo zokuqina kwemitha, Oku kufudumeza kuvumela i-chip ukuba iziphilise ngokwayo, ekuvumela ukuba ukhusele ezona ndawo zibalulekileyo kuyo njengemicroprocessor, imemori yeDRAM kunye nememori yeFlash. Ngaphandle kwamathandabuzo inyathelo elitsha elisingise kwindlela entsha yokuhlola isithuba, ukuba yonke into iqhubeleka ngale ndlela nangesi santya, kufuneka iqale kunye neshumi leminyaka elizayo.
Más información: Uluhlu lwe-IEE