Skip to main content
Skip to search
Ideas change everything
WATCH
TED Talks
Browse the library of TED talks and speakers
Playlists
100+ collections of TED Talks, for curious minds
TED Series
Go deeper into fascinating topics with original video series from TED
TED-Ed videos
Watch, share and create lessons with TED-Ed
TEDx Talks
Talks from independently organized local events
DISCOVER
Topics
Explore TED offerings by topic
Podcasts
Explore the TED Audio Collective
Ideas Blog
Our daily coverage of the world of ideas
Newsletters
Inspiration delivered straight to your inbox
ATTEND
Conferences
Take part in our events: TED, TEDGlobal and more
TEDx Events
Find and attend local, independently organized events
TED on Screen
Experience TED from home
TED Courses
Learn from TED speakers who expand on their world-changing ideas
PARTICIPATE
Nominate
Recommend speakers, TED Prize recipients, Fellows and more
Organize a local TEDx Event
Rules and resources to help you plan a local TEDx event
Translate
Bring TED to the non-English speaking world
TED Fellows
Join or support innovators from around the globe
ABOUT
Our Organization
Our mission, history, team, and more
Conferences
TED Conferences, past, present, and future
Programs & Initiatives
Details about TED's world-changing initiatives
Partner with TED
Learn how you can partner with us
TED Blog
Updates from TED and highlights from our global community
SIGN IN
MEMBERSHIP
Type to search
小型化的原子钟将如何颠覆太空探索
2,066,025 views |
吉尔·苏伯特 |
TEDxUCLA
• May 2019
Read transcript
当你询问诸如吉尔·苏伯特（Jill Seubert）这样的深空导航员，是什么让操纵航天器如此困难，他们会告诉你，这都是因为时间；一个瞬间就可以决定任务的成败。 那么，如果航天器无法准确计时，该怎么办？ 你需要一个时钟，确切地说是原子钟。让苏伯特带你迅速感受未来的革命性潜力，无论身处宇宙何处，都可以接收到恒星 GPS 一般的指引。
science
technology
time
universe
exploration
space
TEDx
Mars
TED is supported by ads and partners
