Test Draft

Next, let us find the occupancy (mean occupation number) f_k,ms:
.
Now, we note that for |x|<1,
.
This tells us that the sum in the numerator is thus , and so
.
Compare this to the occupancy for a fermion fluid ; the difference is a change of sign in the denominator. Note that unlike the fermion case, for a boson fluid, the occupancy can be greater than one.

I’m back

It took almost two weeks for the replacement part to get here, but my computer is fixed, and back in my possession.

Absence

I’m likely going to be without a computer for the next week or so (depending on time for repair and how long it takes to ship parts here to Alaska). I have scheduled the Physics Friday and Monday Math posts for the next week or so, so those should be here at their appropriae times, but don’t expect any other posts for a bit here.

Justice

You may recall the horrifying case of Madeline Neumann, who died of treatable diabetic ketoacidosis while her parents looked on, as they chose prayer instead of getting medical attention (see here, here, here, and here).
Well, the father, Dale Neumann, has been convicted of second-degree reckless homicide. The mother, Leilani Neumann, was convicted in a separate trial back in May. Both will be sentenced October 6.
I note that the jury in Mrs. Neumann’s trial took only four hours of deliberation to convict her, while the jury in Mr. Neumann’s case took about fifteen hours over two days. Is this because Dale Neumann once studied to be a minister, and thus the jury gave more credit to the religious defence in his case? Or a reflection of a societal belief that mothers are naturally more nurturing than fathers, leading jurors to be more horrified by such lethal neglect on the part of a mother than on the part of a father.

4th of July

Happy Independence Day.

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A Sad Day

Famous radio broadcaster Paul Harvey, died yesterday at the age of 90.

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Another Birthday

And a happy 200th birthday to America’s 16th president, Abraham Lincoln

Happy 25th Birthday…

…to the Apple Macintosh.