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David Deutsch at TEDGlobal 2009: Running notes from Session 5

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Unedited running notes from TEDGlobal 2009. Our ancestors wondered what stars are. Humans have always yearned to know more — it is a survival instinct. “How can I be warmer, cooler, safer, in less pain?” Prehistoric cave artists may have wished to draw better. But although they wished for more knowledge, for progress, they failed. []

Twitter Snapshot: David Deutsch boggles minds

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Quantum physicist David Deutsch is at TEDGlobal talking about how the stars shine, reality as conjecture and parallel universes. It’s fascinating, but some of us are a little mentally intimidated and Twitter reflected that. Day 2 @ TED. Settling in for a talk by quantum theorist David Deutsch. Is my mind ready fir this one? []

Watch TEDTalks from speakers at the upcoming TEDGlobal 2009

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From TEDGlobal’s speaker list of more than 90 — including 18-minute talks, demos and TED U courses — 13 of our scheduled speakers already have TEDTalks online from previous TEDs and partners. To find them, check out our new theme, Speaking at TEDGlobal 2009, and watch archive gems from these returning speakers. All of these []

From the TEDTalks archive, David Deutsch on our place in the cosmos

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For the next two weeks, we’re presenting some of our favorite TEDTalks from among the 275 talks and performances we’ve posted since June 2006. Look for brand-new TEDTalks starting August 18. Until then, enjoy these gems — and suggest your own by writing to contact@ted.com Physicist David Deutsch is author of The Fabric of Reality []

A non-trivial holiday

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The TED office is running in circles trying to get the word out about Pi Day, that special day for number nerds that only comes around once a year. We’d love to hear what TED fans are doing to celebrate — whether watching Pi, baking a pie or taking an irrational out to dinner. If []

A hard week for space exploration

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This has been a hard week for lovers and dreamers of space travel — a frequent topic at TED. An explosion at Burt Rutan’s Scaled Composites spaceport caused three victims. It was followed by a report on issues of personal safety at NASA, part of the unfolding story there. Space exploration is an inherent high-risk []

Quantum genius

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Legendary physicist David Deutsch, who gave a stunning talk at TEDGlobal, just won the $100,000 Edge of Computation Prize.