Umngcele onemibandela womkhathi kanye nendawo yangaphandle ubhekwa njengomugqa wephakethe elinokuphakama kwamakhilomitha ayi-100. Ngaphezulu kwaleli zinga, umoya uba sparse kakhulu, futhi ukuze amadivaysi e-aerodynamic anjengendiza angahlala endizeni, kuzodingeka athuthukise ijubane elilingana nendawo yokuqala. Lokhu kwenza indiza ephakeme kangaka cishe ingenanjongo.
Kodwa-ke, ngokoqobo, kuyaqabukela, ukuthi iyiphi indiza ekhuphuka ngenhla kwamakhilomitha ayi-10-kwometer ubude. Futhi emhlabathini womhlaba, ezindaweni eziphakemeyo zamakhilomitha angama-50-80, umoya usuvele usumisele kangangokuba izindiza ezikhethekile ezingashukumisela lapho futhi nama-balloons aphethwe ababunzima. Sebenzisa lezi zindawo eziphakeme ngezinzuzo kuzovumela ama-microdrons omklamo omusha, iqembu lika-Igor Bargatina wasePennsylvania University elethulwe amakhasi entuthuko yesayensi.
Ukukhombisa umqondo womqondo, ababhali basebenzise amamitha amancane (amamitha ayisithupha ububanzi) ama-disc anqunywe ukukhanya, okusobala polyethylene terephthalate (isilwane, uMajlar noma uLoven). Uhlangothi olungezansi lwemibuthano lwalumbozwe ungqimba oluncane lwe-carbon nanotubes. Kufakwe egumbini lokuphumula, lapho ubude bomoya ekuphakameni kwenziwa khona, amadivaysi anjalo angahlala endizeni ngenxa yamandla emisebe yezehlakalo - womabili we-laser kanye nelanga elijwayelekile.
Iqiniso ngukuthi ama-nanotubes e-carbon athathwa ngokumangalisayo ngemisebe edlule, ngokufudumeza ngokubonakalayo. Lokhu kubangela ukwanda kwasendaweni okushisa komoya ngaphansi kwediski, okuthi, nakho, kwakha i-Uplift eqondayo, ephethe idiski elincane emoyeni, njengokungathi ipulazi lendiza elindizayo elivela kwinganekwane.
Ukunikwa kwemali yezinhlayiya ezincane ngenxa yokushisa okungalingani ekukhanyiseni kubizwa ngokuthi ama-photophoresis, futhi, ngokusho kwababhali, okokuqala bakwazile ukuzuza ukuqina kwendiza enjalo. Izibalo zikhombisa ukuthi ama-microdons anjalo angaba yisikhathi eside, hhayi ukuchitha amandla, ahlale emoyeni ngokuphakama okuphezulu futhi aphathe amathuluzi amancane ebhodini.
Umthombo: Isayensi Enqunu