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Search tags: Computing
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text 2017-03-21 16:34
Reading progress update: I've read 233 out of 320 pages.
Feynman Lectures On Computation - Robin W. Allen,J.G. Hey,Anthony Hey,David Pines,Richard P. Feynman

We arrived at the physics of MOSFET transistors and the like; this is a topic I found dull as an undergrad, despite liking other solid-state physics topics, such as phonon transport, band theory and even crystallography. This, it appears, is down to the fact that how semi-conductor devices work is really engineering, not physics.

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text 2017-02-24 16:24
Reading progress update: I've read 199 out of 320 pages.
Feynman Lectures On Computation - Robin W. Allen,J.G. Hey,Anthony Hey,David Pines,Richard P. Feynman

The chapter on how to design a quantum computer is even more conceptually demanding than that on reversible computers. No-one without a working knowledge of quantum mechanics will get beyond the introductory passages that essentially repeat earlier material.

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text 2017-02-23 17:08
Reading progress update: I've read 185 out of 320 pages.
Feynman Lectures On Computation - Robin W. Allen,J.G. Hey,Anthony Hey,David Pines,Richard P. Feynman

Billiard ball computers...and next up, quantum computers!

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text 2017-02-22 15:30
Reading progress update: I've read 176 out of 320 pages.
Feynman Lectures On Computation - Robin W. Allen,J.G. Hey,Anthony Hey,David Pines,Richard P. Feynman

Reversible computing is slowly becoming clearer to me...it's not at all obvious.

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text 2017-02-20 13:09
Reading progress update: I've read 172 out of 320 pages.
Feynman Lectures On Computation - Robin W. Allen,J.G. Hey,Anthony Hey,David Pines,Richard P. Feynman

I would hazard a guess that Feynman's favourite science outside physics was molecular biology and it appears here in the guise of a naturally occurring "computer"; the copying of base sequences to mRNA is the computation at hand and is completely reversible. The computation is made to go in the desired direction by the relative abundance of necessary chemicals in the cell. Illustrates what reversible computing really means better than anything preceding.

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