棒狀
Bouwmeester suggests that in the future one could make this mirror on a carbon nanotube, a small but incredibly strong rod that researchers are still trying to perfect. 波米斯特認為，未來將可使用奈米碳管制造這樣的鏡面，目前科學家仍在改進這種極小卻異常強固的棒狀材料。
