'An annoying buzz': The search for stealthier drones
As drone deliveries become more commonplace, their makers are looking for ways to make them quieter.
Àkótán ìròyìn
As drone deliveries become more commonplace, their makers are looking for ways to make them quieter.
Tẹ̀lé ìròyìn tuntun láti ọ̀dọ̀ àwọn olùtẹ̀jáde tó ṣeé gbẹ́kẹ̀lé pẹ̀lú àkótán kúkúrú. Ṣí ìjápọ̀ orísun àtilẹ̀wá fún àlàyé.