I-UPS nokubuyiswa kwamandla: indlela yokuwela i-hedgehog nenyoka?
Esifundweni se-physics siyazi ukuthi injini kagesi ingasebenza futhi njengejeneretha; lo mphumela usetshenziselwa ukubuyisela ugesi. Uma sinokuthile okukhulu okushayelwa yinjini kagesi, lapho-ke uma ubhuleka, amandla emishini angashintshwa abuyele kumandla kagesi futhi abuyiselwe ohlelweni. Le ndlela isetshenziswa ngenkuthalo embonini nasekuthuthweni: ivumela ukunciphisa ukusetshenziswa kwamandla, [...]