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Lee de Forest and William Shockley Discuss Electronics


  Dr. de Forest is the inventor of the Audion from which the modern vacuum tube in its many forms and types has sprung. Dr. Shockley is the leader of the research group at Bell Telephone Laboratories whose members invented the transistor. Standing side by side these two men seem to epitomize the basic change in the pattern of our technical life which has taken place during the first half of the present century — the change from the struggling individual inventor to the great industrial scientific laboratory and the source of much of our technological advance.


Both these men were complicated characters whose lives and thoughts (some of which are grossly offensive) are interesting to study.

I came across the above photo and the quoted caption on the Internet Archive’s Book Images Flickr collection. The photo originally appeared in The Bell System technical journal (from 1922)

Lee de Forest and William Shockley Discuss Electronics

Dr. de Forest is the inventor of the Audion from which the modern vacuum tube in its many forms and types has sprung. Dr. Shockley is the leader of the research group at Bell Telephone Laboratories whose members invented the transistor. Standing side by side these two men seem to epitomize the basic change in the pattern of our technical life which has taken place during the first half of the present century — the change from the struggling individual inventor to the great industrial scientific laboratory and the source of much of our technological advance.

Both these men were complicated characters whose lives and thoughts (some of which are grossly offensive) are interesting to study.

I came across the above photo and the quoted caption on the Internet Archive’s Book Images Flickr collection. The photo originally appeared in The Bell System technical journal (from 1922)


To strip ACLs from all files in the current working directory, run this:

chmod -R -N .

You might want to do this kind of thing if you’ve restored files from a Time Machine backup by hand, preserving permissions. By default Time Machine backup files have this ACL for everyone:

deny write,delete,append,writeattr,writeextattr,chown

Don’t change your Time Machine volume, just use this to strip the ACLs of files you copied from it.


Photo reblogged from DȺNIEL | xAZΔX with tags:
inercia:


An overview of the different Linux performance tools and the subsystems they work on.

inercia:

An overview of the different Linux performance tools and the subsystems they work on.


Sometimes you need to get data from a plot. This cool web app is free and awesome for that purpose. It even supports export to plot.ly


Do you have a JSON file, like the staticsitegenerators.net list of static site generator software? Do you want to convert it to CSV and slice/dice it in a spreadsheet?

Well friend, now you can because of my latest time-waster: json2csv



In mathematics, tetration (or hyper-4) is the next hyper operator after exponentiation

For a good time, call 9^9^9?


Microsoft has a long way to go before they catch up with Apple’s ability to present products. I kept being distracted by the smarmy sales guy’s numerous flubs. The stagecraft was pure infomercial-grade hucksterism, no art.


So it begins.

P.S. Without net neutrality we’re in big trouble.


As of 1.3.2 (in 2009), jQuery inherits its depth-first pre-order traversal from the W3C’s DOM Selectors API.