An adjustable, flexible wheel is how Malawi-native and Royal Collage of Art graduate Ackeem Ngwenya intends to remedy the lack of road infrastructure in rural Africa. The ability to transport farm goods farther, or in bigger quantity, than what women and children on foot are able to carry on their heads, would be a major step out of perpetual poverty, he reasons. He introduced his invention at the Design Indaba conference in Cape Town.