Month: January 2008
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What is Measurement?
The Law of Happen I am reading some papers on the Measurement Problem. What strikes me is how measurement is visualized. It is visualized as taking place in a laboratory. The system – an isolated state – encounters a macroscopic measuring device. In doing so the Hilbert Spaces of the two become entangled. A pointer…
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on Wavelet Transforms
In the October 2007 issue of Physics Today beginning on page 78 there is an article on Wavelets by Ivan Selesnick, son of my friend Stephen Selesnick. He must be a very proud father. I read the article. I wish I understood what I read. What does sparse mean? Here is my picture of the…