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December 8th, 2006
"Why Things Like Life Exist"
The universe is all about information, is our mind in the equation? Can we change the weather... where does the past go... freezing light? Done all the time. How can the universe have such tremendous, rich complexity, yet the laws of quantum physics be fairly simple? Are we a very complex "chip" in this computing universe? A glimpse in his classroom; junk DNA; gnomes; fractals; the 'halting problem' and more. "The great thing about science is nobody knows where it is going!" Plus buzz words that can be used at future cocktail parties and dumb physics jokes!
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September 29th, 2006
"Talking with Atoms"
Leading MIT undergrads through the teacup ride; particles don't seem to mind being tickled or flipped... but a "Society for Prevention of Cruelty to Atoms" could arise! -so what does a quantum computer look like- the guts are organic molecule atoms and Dr. Lloyd talks to them by flipping bits with microwaves, each responding to a different frequency (make room on your desk, the quantum computer looks like a large beer keg.) Heisenberg's uncertainty principle; clocks & GPS; shot noise; randomness; entanglement; correlation; entropy; how the universe computes... great, easy to understand explanations.
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June 21st, 2006
"Programming the Universe"
As we wait, Karriem Ali who recently spoke with Seth, joins us. We then get Seth on the line and hear how he got into this area... "You might even say I'm a quantum mechanic, your quanta broke? We fix em!" Admittedly 20 years later he is still confused, nobody really understands the quantum world yet. How does a quantum computer work... atoms already carry, exchange, information and you just join in on the conversation! Computers use spin in magnets, in the 'q' computer bits are stored in the spinning nucleus of the atom. How molecules register information, the processing in our brain is only part of it, communicating molecular information to the brain is a wonderful and slightly mysterious computation; can there be a brain/thought interface to the quantum computer; can you "taste" everything in the Universe? quantum cryptography; disorder or apparent disorder; more confusion? "Let's just say clarity is an illusion!"
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Seth Lloyd is Professor of Mechanical Engineering at MIT, a principal investigator at the Research Laboratory of Electronics, adjunct assistant professor at the Santa Fe Institute, and the author of Programming the Universe: A Quantum Computer Scientist Takes On the Cosmos. A leader in the field of quantum computing, he works on problems having to do with information and complex systems -—from how do atoms process information, to how does society process information? And how can we understand society in terms of its ability to process information?
