 Ahavuye isanamu, Getty Images Insiguro yisanamu, Umuzo wamafaranga watumye twiyumvira ku biharuro biri munsi ya zero bitagoranye Niba ivyo wemera ko biriho ari ivyo ushobora guharura canke gupima gusa, nukuvuga ko bikugora kwiyumvira igitigiri ico arico cose kiri munsi ya zero. 