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Matt Ridley:
Deep Optimism

Jul 182011Category: Science & Technology
Speech Tags: ,

Mattt Ridley talks about what he thinks was the trigger for human dominance and takes a controversial stance on climate change.

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J. Robert Oppenheimer:
Now I am become death

Jul 72011Category: Science & Technology
Speech Tags: , ,

J. Robert Oppenheimer recalls the moment he witnessed result of the Trinity nuclear weapons test.

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Jack Horner:
The Shape-Shifting Skulls of Dinosaurs

Jul 62011Category: Science & Technology
Speech Tags: , ,

Jack Horner talks about the latest discoveries regarding dinosaurs at TEDxVancouver.

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Walter Lewin:
Conservation of mechanical energy

Jul 52011Category: Education,Science & Technology,Uncategorized
Speech Tags: , , ,

Walter Lewin demonstrates the conservation of mechanical energy. You can find the entire lecture series "Classical Mechanics" at academicearth.org.

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Daniel Kahneman:
The riddle of experience vs. memory

Jun 272011Category: Science & Technology
Speech Tags: , ,

Daniel Kahnemann explains that there is a different in happiness regarding memory and experience at TED.

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