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Logic Gates Name Shape AND Like a “D” OR Like a crescent NOT Like a triangle with a dot NAND Like and with a dot NOR Like an OR with a dot XOR Like OR with an extra crescent AND Input 1 Input 2 Output 0 0 0 0 1 0 1 0 0 1 1 1 OR Input 1 Input 2 Output 0 0 0 0 1 1 1 0 1 1 1 1 NOT Input 1 Output 0 1 1 0 NAND AND + NOT

This entry focuses on the notes and observations around Michael Nielsen’s essay “Augmenting Long-term Memory”. Introduction Attempts to augment memory using computers have been around for a long time: Memex in 1945. Even the internet itself was due to Tim Berner-Lee’s employer seeking to develop a “collective institutional memory”. Anki is a modern attempt at augmenting memory. “Anki makes memory a choice, rather than a haphazard event, to be left to chance”.

What is the role of an operating system?? Hide the complexities of the hardware from the user. Where is the OS stored on a computer?? On the hard drive. How is the BIOS stored?? On the ROM. What is ROM?? Read only memory. How is the OS loaded when the computer is switched on?? The bios. What is a virtual machine?? A layer of software that allows one computer to simulate another and to run more than one operating system.

Spark: The Revolutionary New Science of Exercise and the Brain Spark is a book about how exercise affects not just the physical aspects of the body, but also mental health and the capacity to learn. If exercise came in pill form, it would be plastered across the front page, hailed as the blockbuster drug of the century. Chapters Chapter 1: [[Spark - Welcome to the Revolution]]?? Chapter 2: [[Spark - Learning]]?

Invictus, by William Ernest Henley: Out of the night that covers me, Black as the pit from pole to pole, I thank whatever gods may be, For my unconquerable soul. In the fell clutch of circumstance, I have not winced nor cried aloud, And under the bludgeonings of chance, My head is bloodied but unbowed. Beyond this place of wrath and tears, Looms but the horror of the shade, And yet the menace of the years, Finds and shall find me unafraid.

“Flow” is a book by Mihlay Csikzentmilhalyi about the idea of flow, or the feeling of [[Optimal Experience]]?? . It examines how a feeling of happiness can be achieved through a feeling of control over one’s life. Times when we feel masters of our own fate instead of the bi-products of the external forces around us. A sense that one’s skills are adequate to cope with the challenges at hand, in a goal-directed, rule-bound action system that provides clear clues as to how well one is performing.