Some Online Presentations

1)  How we see. Director’s blackboard lecture at the KITP.

2)  Bright vs. Dark in Natural Scenes.   Seminar at KITP “Understanding the Brain” workshop.

3)  The Library of Babel: Holography and Quantum Foam.   Seminar at Strings 2005.

4)  Time and String Theory.  Lectures at PIMS String Theory Summer School.

5)  AdS/CFT Correspondence.  Lectures at Perimeter String Theory Summer School.

  1. 6) The origin of gravitational thermodynamics.  Annual theory meeting, Durham.

  2. 7)How smart can you get?  Your brain and the limits of intelligence.  Santa Fe Institute.

  3. 8)Kids Science Barbeque lecture on the brain.   Aspen Center for Physics.

  4. 9)On matters of the brain.  International Center for Theoretical Physics colloquium.

  5. 10) The variational universe.  Santa Fe Institute.

  6. 11) The maps inside your head.  Solvay Colloquium, Solvay Institute.

  7. 12) Entanglement and spacetime.  Theory at sea conference, Oostende, Belgium.

  8. 13) Diversity and self-organization of neural circuits.  ICTP-SAIFR, Sao Paolo, Brazil

  9. 14) Navigating our world with a mental GPS.  Penn TedX.

  10. 15) Adaptive molecular sensing in the olfactory and immune systems. ICTS, Bangalore.

  11. 16) Time is of the essence... or is it?  World Science Festival, New York.

  12. 17) Visualizing emergent time.  World Science Festival, New York.

  13. 18) Time dilation: moving clocks move slower.  World Science Festival, New York.

  14. 19) Tensor network holography.  Perimeter Institute, Canada.

  15. 20) The maps inside your head.  NIH Colloquium Videocast.

  16. 21) The knowable universe. 60-second lecture!

  17. 22) Is there a limit to human knowledge?  New York Academy of Sciences roundtable.

  18. 23) The maps inside your head. CERN General Colloquium.

  19. 24) Becoming what you smell. Harvard workshop on Invariance and Geometry in Sensation.

Some Press Reports

  1. 1) It’s a dark world out there.  Science magazine.

  2. 2) The limits of intelligence.  Scientific American.

  3. 3) Snapping the birthplace of the human eye.  Physics World.

  4. 4) New image database could explain the evolution of the human eye. Technology Review.

  5. 5) Visions of Africa shaped eye evolution.  Science magazine.

  6. 6) Black holes shrink but endure.  Nature news.

  7. 7) Infinite garbage can.   Nautilus science magazine.

  8. 8) A multi-dimensional mind.  Penn Arts and Sciences magazine pp.30-35.

  9. 9)Perception is Reality. Penn Arts and Sciences OMNIA magazine.

  10. 10) Brain’s location tracking cells use transcendental number system. Penn OMNIA.

  11. 11) Penn researchers investigate how songbirds teach themselves song. Penn News.

  12. 12) Tangled up in spacetime. Scientific American.

  13. 13) The Holy Grail of Physics.  Penn News

  14. 14) Particle Physics on the Brain.  CERN Updates.

  15. 15) Remembering Hawking.   Penn News.


  1. 1)Our lab website is here.

  2. 2)Computational Neuroscience Initiative

3) David Mahoney Institute of Neurological Sciences

  1. 4)Vision Research Center

  2. 5)Penn Perception

  3. 6)Center for the Physics of Biological Function

  4. 7)Thermodynamics of Computation at the Santa Fe Institute

String Theory

  1. 1) Our group website is here.

  2. 2)Our particle-cosmology center is here.

  3. 3) Nearby institutions:  Princeton, IAS, Rutgers.