24 JAN 2015 by ideonexus
Superstring Theory
It is time now to try to describe what a superstring really is. Here I run into the same difficulty which the geometer Euclid encountered 2,200 years ago. Euclid was trying to convey to his readers his idea of a geometrical point. For this purpose he gave his famous definition of a point: "A point is that which has no parts, or which has no magnitude." This definition would not be very helpful to somebody who was ignorant of geometry and wanted to understand what a point was. Euclid's notion ... 1 
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notes19 DEC 2014 by ideonexus
How the Finance Industry Hurts the Economy
In perhaps the starkest illustration, economists from Harvard University and the University of Chicago wrote in a recent paper that every dollar a worker earns in a research field spills over to make the economy $5 better off. Every dollar a similar worker earns in finance comes with a drain, making the economy 60 cents worse off.
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...the growth of complex financial products has served primarily to boost income for the firms themselves, Philippon said. A new paper from researchers in t... 1 notes
notes27 DEC 2013 by ideonexus
Why Economists Will Continue to be Wrong
Carter had initially used arbitrary parameters in his perfect model to generate perfect data, but now, in order to assess his model in a realistic way, he threw those parameters out and used standard calibration techniques to match his perfect model to his perfect data. It was supposed to be a formality--he assumed, reasonably, that the process would simply produce the same parameters that had been used to produce the data in the first place. But it didn't. It turned out that there were many ...
1 They make models based on past data, and when they fail to predict the future, they adjust them to match the new past data. The problem is that so many models will match the past data, there could be no end to the number of models they throw out.
21 JUN 2013 by ideonexus
The NDEA had Broad Benefits, but Unquantifiable Benefits
The four NDEA Titles featured in this report contributed to general upward trends (e.g., in the rate of high school, college, and graduate completion; in the level of student preparedness in science, mathematics, and modern languages; in the number of teachers and degree-granting institutions; in the number of bachelors and doctoral degrees awarded; and in the number of scholarly publications by doctoral recipients) during the years that they were in force. Their provisions also contributed t...Folksonomies: quantification public policy
Folksonomies: quantification public policy
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notesThe National Defense Education Act improved science, technology, and college enrollment in the US, but its effects cannot be separated from the broader forces and trends going on during the time it was implemented. Future public policies intended to boost STEM must be implemented in such a way as to make their effects quantifiable.
28 JAN 2012 by ideonexus
The Fictitious Orion Society
I learnt very quickly that the only reason that would be accepted for not attending a committee meeting was that one already had a previous commitment to attend a meeting of another organization on the same day. I therefore invented a society, the Orion Society, a highly secret and very exclusive society that spawned a multitude of committees, sub-committees, working parties, evaluation groups and so on that, regrettably, had a prior claim on my attention. Soon people wanted to know more abou... 1 notes
notesA society that Brenner came up with as an excuse to have a prior engagement that would keep him from attending other meetings.
