With appearances on comedy shows, books in the best-seller lists and the unforgettable image of a brilliant mind in an ailing body, Stephen Hawking has earned the title of the world's most famous ...

Transcript of Stephen Hawking's second Reith Lecture In my previous lecture I left you on a cliff-hanger: a paradox about the nature of black holes, the incredibly dense objects created by the ...

The E-Lecture Producer HD app is a nifty app that lets educators quickly create online presentations with voiceovers and transcripts from Powerpoint or Keynote presentations. (Users are encouraged to ...