anarag's blog

covering up

Hereʼs a public policy suggestion from a few weeks ago, which I havenʼt encountered before.

... A real solution for gratuitous violation of civil rights by the police would be to abolish their immunity.  Force individual officers to carry insurance or a bond, paid from their own salaries.  By all means give the officers a raise to cover premium expense, but if an officer faces too many claims or judgments, a responsible, objective third party (the insurance company) can revoke his badge by cancelling tort coverage.
http://www.popehat.com/2014/09/01/22713/

Iʼm not sure quite how serious the suggestion is.  But as a thought exercise...  I suspect there are problems with it, over and above the ones hinted at by the author (the police & unions wouldnʼt like it, sort of reasons).  Iʼm going to have to think about it though.  At a first guess they would involve the kinds of problems that usually crop up with insurance companies ... and the kinds of problems that usually crop up in court cases dealing with insurance companies, and dealing with police actions.

However, some of those are in part about a sort of (sub-)cultural attitude regarding police officers, both inside and out of the forces.  Were a suggestion like this enacted, perhaps there would be a culture shift?  (Noting that ‘immunity’ means different things in different countries, and possibly different US States, so the nature and degree of effect should vary.)

There are as things stand some professions where this kind of insurance has to be in place ... really, not that different from driving insurance – but for most people thatʼs not really comparable, because driving is a luxury rather than an essential or a livelihood.  It would be interesting to look at the effect of required insurance on different professions.  Maybe it would help draw a conclusion.

Or in fact, what are the effects on police officers of having to have driving insurance, where that is the case?

Polivoks Update

(Anorak Adventures in Synthland 3)

This is an update to Polivoks Notes.

Getting Further In

As mentioned in the last edition, it turns out that the steel shims holding the Polivoksʼ rotary switch knobs on can fall out while the knob is being inserted. [1]  They could in principle fall through to the base so you might be able to pick them out and finish what youʼre doing.  Alternatively they could get trapped on top of the main circuit boards, where they could potentially cause shorts, and you have to get the whole thing open again and try to remove the boards to find them.  If they donʼt fall out visibly, you donʼt know where they are.  (I do understand why some resort to glue.)

So, refer to the previous getting-the-case-off process.  While shim-hunting, I also want to check the probably-failed reed switch, see whatʼs with the 2nd octave, and see whether thereʼs room for improvement on the key damping to reduce playing noise.  Iʼve commandeered a bit of table space ... and floorspace.  This isnʼt going to make me popular if Iʼm not done by nightfall, so letʼs go.

Advance H1 Notes

Advance H1 Audio Frequency Generator

This is a rather nice thing I laid hands on this week.  Itʼs a valve-based 15Hz–50KHz sine/square wave oscillator, probably made in 1958 [1].  It doesnʼt seem to have been refurbished, but for its age and intended use it looks in good shape.  Functionally?  Well ... weʼll see.

some plug and socket naming

I was trying to explain this to someone verbally, but ended promising to do a diagram.  No, an IEC 60320-1 C-14 connector is not the same as a 60320-2-2 E connector.  Maybe someone else can explain it more clearly, but this is my take on it:

diagram of input and output plugs and sockets

(SVG version here)

scaling the depths

Hereʼs a weird comment:

"But it is important to say we simply don't have any evidence in this paper to suggest that any carbon coming from these seeps is entering the atmosphere."

This quote comes from Professor Adam Skarke of Mississippi State University.  Context: this is an article about recent research into releases of methane from clathrates in the seabed off the American coastline.  As we know, a warming ocean is highly likely to lead to a greater trend of release of methane than has hitherto been the case, because the equilibrium level of clathrate formation and melting changes with temperature.  The released methane mostly is oxidised in the sea, adding a 2:1 molecular ratio of water and dissolved carbon dioxide to it.

Itʼs understandable that Professor Skarke would want to hedge his comments a bit.  But hang on...

The fact that a strong solution of CO₂ is being added to the sea in this way is not unimportant:

Поливокс / Polivoks Notes

(Anorak Adventures in Synthland 2)

polivoks

Hey, got a Polivoks.

First, some points of nomenclature.  Iʼve had no occasion hitherto to consider it, but I now realise the correct English plural of Polivoks is Polivoksen.  With that established, on the Polivoks:

  • Generator (Генератор) = tone generator = (audio frequency) oscillator = VCO.
  • Modulator (Модулятор) is mainly an LFO.  (The control can select noise as well as periodic functions, so LFO would be incorrect ... a less cumbersome term than Korgʼs ‘modulation generator’.)
  • Glissando (Глиссандо) = portamento (a.k.a. ‘glide’).
  • Pedestal (Пьедестал) = sustain level.

Iʼll use the Polivoks terms here, mostly.

This Polivoks was made in 1987, and came with lid, pedal and cables (5-pin and 3-pin DIN; donʼt know what the 3-pin one was for...).  No power cable but has an IEC C-14 power socket mod. [1]

External Condition

Case: not great; sticky tape residues, heavily scraped and rather indented.  So much for all the “built like a tank” guff.  Built like a fake tank for to confuse the enemy, maybe.  Sheet aluminium bends (like plastic, unlike steel) but doesnʼt rebound.  It seems to have had carry handles at either end; not sure if they were original, but gone now.  The rubber feet on the underside are different sizes – presumably two were replaced at some point.

MagSafe – the Last Straw?

(This post is the long-promised update to A Disturbing Shade of Green.  I had intended to take update photographs of the adaptor previously bitched about, but had no decent working camera for a while.  Now I have camera and two adaptors worth a gripe, so here goes.)

This happened over the last 48 hours.

Apple L-tip Magsafe connector cable with a cracked sheath

In 2013, after a long spell of financial difficulty during which it wasnʼt an option, I replaced my laptopʼs sadly deteriorated MagSafe [4] power adaptor.  That adaptor (Nº2) went up on a high shelf in the interim.  And the new adaptor (Nº4) was good.  But early this year I noticed the onset of the same deterioration.  I might have blogged about it all the way through, but the last few months have been intense...

The progressive deterioration whilst in normal use of the new (c.2011 and on) cable for these adaptors seems to go like this:

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