Nina von Kalckreuth
Imifanekiso yezilwanyana zaselwandle ezingasasebenziyo elunxwemeni ngeoyile yeoli zijikeleze i-Intanethi kangangeminyaka emininzi. Sele zineendlela ezininzi zokuphelisa umonakalo obangelwe kukungcoliswa kweoyile. Nangona kunjalo, ezi zinokuba yinkqubo ebiza kakhulu kwaye inzima. Iindlela ezisetyenzisiweyo ukuza kuthi ga ngoku zibandakanya ukutshisa i-oyile, kusetyenziswa iichiza zokuchithela ukusasaza ioyile, okanye ukukhenkceka kumphezulu wamanzi. Ezi nzame zokucombulula ingxaki zihlala ziphazamisa ubomi baselwandle kwaye nezinto ezisetyenziselwa ukulahla zinokungasakwazi ukuphinda zisebenze kwakhona.
Ukulwa nokugxekwa, abanye abaphandi abavela kwiYunivesithi yaseNorthwestern bapapasha iziphumo zophando lwabo ngoMeyi isifundo malunga nokusebenza kwe "OHM Sponge" (i-oelophilic, hydrophobic kunye ne-magnethi), ke kuguqulelwe isiponji esinezibuthe, i-hydrophobic kunye nomtsalane weoyile ngaxeshanye. Into emnandi ngalo mbono: isiponji sinokufunxa kangangezihlandlo ezingama-30 ioyile eninzi njengobunzima besiponji. Emva kokuba ioyile ifunxiwe, isiponji sinokupheliswa ngokulula kwaye sinokuphinda sisetyenziswe emva kokuba sisetyenzisiwe. Kwaqatshelwa kuphando ukuba isiponji siphulukana ne-1% yeoyile efunxileyo naphantsi kweemeko ezinamandla zamanzi (njengamaza omeleleyo). Isiponji ezinamandla ke sinokubonelela ngenye indlela esebenzayo negcinakalayo yokususa ukungcoliseka kweoyile.
Foto: UTom Barrett uvuliwe Unsplash
ISIQINISEKISO UKUQHELEKILEYO EJAMANI
Nantsi ividiyo malunga nokusebenza kwesiponji: https://cen.acs.org/materials/coatings/Low-cost-polyurethane-sponge-cleans/98/i22?utm_source=Facebook&utm_medium=Social&utm_campaign=CEN