http://www.ted.com The news that Chinese artist Ai Weiwei has been detained by authorities has prompted significant concern here at TED-HQ. We had shown a film of him at last month’s conference, an unexpected and courageous statement about his treatment by the government, social change, the power of the web, and his hope for the future of China. The film, which was shown as Ai Weiwei himself watched live over the web in the middle of the night, prompted a huge standing ovation from the TED audience.

Read the news story: http://www.bbc.co.uk/news/world-asia-pacific-12954811

TED is a non-partisan, nonpolitical organization and we understand the Chinese authorities concern at anything which might provoke social unrest. But for anyone who believes in the power of ideas, of human imagination, it is heartbreaking to see one of the world’s great artists shackled in this way. We will be tracking developments carefully. Here is the film.

http://www.ted.com In a zippy demo at TED U, AnnMarie Thomas shows how two different flavors of homemade play dough can be used to demonstrate electrical properties — by lighting up LEDs, spinning motors, and turning little kids into circuit designers.

http://www.ted.com In a moving and madly viral video last year, composer Eric Whitacre led a virtual choir of singers from around the world. He talks through the creative challenges of making music powered by YouTube, and unveils the first 2 minutes of his new work, “Sleep,” with a video choir of 2,052. The full piece premieres April 7 (yes, on YouTube!).

TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at http://www.ted.com/translate.

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