화성! 30일 탐사하려고 만들었더니 1004일을 버틴 탐사드론
Veritasium 한국어 - 베리타시움 · 27:37
NASA's Ingenuity helicopter weighed 680 g and was built on an $80 million budget from off-the-shelf parts like smartphone chips and cordless-drill batteries. It was meant to fly for 30 days as a tech demo but lasted 4...