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
TED Fluent
Watch TED Talks in your language
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
TED Games
Innovative games that challenge you to think differently
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
TED-Ed
Award-winning educational content and programs
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
Type to search
西恩·凱羅： 遙遠的時間和多重宇宙的徵兆
1,874,882 plays
|
Sean M Carroll
|
TEDxCaltech
• January 2011
Read transcript
在TED加州理工分舵大會，宇宙學家西恩·凱羅以一種有趣並且引人思考的方式，帶領聽眾回顧了時間跟宇宙的屬性，並深入探討了一個貌似很簡單的問題：時間為什麼存在？解釋這個問題，首先需要理解一個令人驚訝的對於宇宙性質的看法，以及對於我們在宇宙中位置的看法。
TED is supported by ads and partners
