가입 후 초대 링크를 공유하면 동영상 재생 및 초대 보상을 받을 수 있습니다.

Businessweek
@BW
A compass for the changing world of money, power and technology. Bw Daily:
가입 August 2009
574 팔로잉 중    2.3M 팬
Ever wondered what it’s like to navigate the Mediterranean using an ancient astrolabe? @FryRsquared sets sail to test the navigation tool first developed by Greek astronomers around 150 BCE. Watch Infinite Explorer
더 보기