Locksport

Locksport is the practice of studying and learning to defeat locking systems, primarily mechanical locks such as pin and tumbler locks. As I understand it, it is driven by curiosity and the desire to understand how things work, rather than any desire to circumvent real-world locks. Practitioners are people who puzzle their way to inside information about an industry that tends to be close-knit and secretive, not unlike the people who watch classified satellite launches in the U.S. and track the orbits of mysterious secret satellites.

The Dutch blog blackbag is a good source of information on locksport, including picking, bump keys, and impressioning. The Open Organization Of Lockpickers is a group for locksport affectionados. Theoretically, they have a chapter in Ottawa, but it doesn’t seem to be active.

I think it’s worth trying one’s hand at picking locks, if only to get a sense of how secure they really are. I found that with a few minutes of work and no professional instruction, I could open the locks and deadbolts in my old apartment using a tension wrench and simple pick. The same goes for padlocks – both the omnipresent cheap Master Lock variety and higher security versions with security pins.

The legality of tools for manipulating locks varies by jurisdiction. In the United States, it varies from state to state. In Canada, lock picking tools (except for key duplication tools) are legal and treated just like any other tool.

‘To-do’ task longevity

It might be interesting to do a statistical examination of to-do lists, specifically of the length of time for which items remain on them. It might seem logical that the longer something has been on a to-do list, the sooner it is likely to get done. I doubt this is usually the case, however. Easy items tend to get added and removed quickly. “Buy soy milk” is an instruction that is likely to be followed in a matter of hours or days. Other items are likely to sit on to-do lists for months or years: “Research doctoral programs”, for instance, or “Photo project with L-series macro lens”.

One natural response to all of this is to have lists that are tailored to different timescales. Few people will retain their grocery lists for longer than it takes to acquire the desired items. By contrast, keeping a list of major long-term projects is probably a good idea, from a life planning perspective. It can be a way to check whether one’s time is primarily being occupied by personal priorities, or whether distractions are consuming most of it.

Two questions for data management

1) How bad would it be to lose it?

If the answer is ‘bad’ then you absolutely must have at least two copies.

If the answer is ‘terrible’ then at least three copies is wise. At least one should be in a safe place off site. Incremental backups are better than basic ones, since files do get corrupted and vanish.

Ideally, you want both up to date incremental backups and complete snapshots taken at regular intervals and checked periodically for integrity.

2) How bad would it be if it ended up all over the internet?

If this would be a problem at all, there is a whole universe of precautions to consider:

Hardware: firewalls, built in encryption, air gapped systems and storage, networking hardware (including WiFi), etc

Software: cryptography, operating systems, malware risks (including pirated software), intrusion detection systems, etc

Behaviour: physical access control, data retention and destruction, passwords and secret questions, backup processes

Digital data is the sort of thing where not only can the cat get out of the bag, but it can get out, get copied a billion times, and become your name’s top Google hit for the rest of your life.

Tinker, Tailor, Soldier, Spy

John Le Carré’s Tinker, Tailor, Soldier, Spy is a classic spy novel, written for those who enjoy the suggestion of authenticity. Rather than indulging in the over-the-top pyrotechnics found in some spy thrillers, Le Carré’s characters are cautious and meticulous. In particular, the protagonist George Smiley is a kind of antithesis to the James Bond stereotype: fat, clad in fogged spectacles, burdened with an unfaithful wife, but nonetheless at the top of the game when it comes to counterintelligence operations in the United Kingdom.

The setting – Britain during the Cold War – permeates the book. I will admit that it is a bit amusing to read about the high drama of spies speeding along obscure motorways connecting small British cities, rather than jetting around between glamorous national capitals. At the same time, Le Carré does capture what I would expect to be the key geopolitical dynamics of the time: the superpower competition between Russia and America, with the United Kingdom in the middle in a diminished post-imperial role. Le Carré talks about how British agents were: “Trained to Empire, trained to rule the waves. All gone. All taken away.” It makes you wonder who will be elevated and who will be lowered, forty years from now.

Tinker, Tailor, Soldier, Spy includes some observations that border on the philosophical. Le Carré raises the question of oversight, and the difficulty of trusting spies (p. 74 paperback) ; he explains how the wily opponent seeks not perfection, but advantage from his actions (194) ; the ways in which the false identities a person maintains actually express the person they conceal (213); how intelligence services have an incentive to puff up the competence of their opponents, to get more support for themselves (316); how “survival” is “an infinite capacity for suspicion” (337); how the essence of betrayal is to “overtly pursue… one aim and secretly achieve its opposite” (354); how a state’s secret services provide a measure of its political health (365); and how treason becomes “a matter of habit” once initial motivations become fuzzy and continuing on the same course seems the simplest option (377). The comment about enemy capabilities is especially relevant today, as gigantic state security bureaucracies justify themselves on the basis of the threat from a few dangerous malcontents hanging around in caves and radical discussion forums online.

Le Carré’s writing is full of examples of clever observation, which both appeals to the reader’s curiosity and makes the characters themselves seem more interesting and authentic. The book is also peppered with authentic-seeming espionage tradecraft, in areas like following people, transmitting information securely, sending coded signals, and handling in-person meetings. Probably technology has changed some of that since 1974, but perhaps not all that much. The paranoid world of Tinker, Tailor, Soldier, Spy, in which it is unclear which of the authorities can be trusted, has many parallels with the world today.

CR-39

CR-39, or allyl diglycol carbonate (ADC), is a kind of plastic that was developed in 1940 and first used to help create a new type of fuel tank for B-17 bombers during WWII. Since then, its dominant use has become much more civilian – in making lenses for eyeglasses.

Apparently, eyeglass lenses haven’t commonly been made of glass for decades, because of the high weight. CR-39 has half the weight of glass, good resistance to ultraviolet light (which causes cataracts), and a refractive index nearly as high as that of crown glass (meaning lenses can be fairly thin). Unlike polycarbonate lenses (which offer more safety), CR-39 doesn’t scratch too easily. It does, however, produce more chromatic aberration than crown glass. CR-39 is pretty good when it comes to how much light reflects off rather than passing through; normally, lenses made of CR-39 involve a 7.97% loss of light, compared with 8.59% for crown glass.

I am quite happy with CR-39 plastic lenses myself. My only wish is that they could be made more resistant to dust, rain, and fingerprints. In particular, it would be nice if water would bead and roll off of them, rather than sticking in droplets that become smudges.

Evil and non-evil Facebook buttons

Many websites now include Facebook buttons and widgets of various sorts. As a user, it is worth knowing that if you are logged into Facebook, many of those buttons and widgets can be used by Facebook to track your web use and  link it to your real identity. 

This site has a Facebook button, as well, but it is a graphic that loads from my own server. It does not allow Facebook to add to their trove of data.

That said, Google has its own massive data pile, which this site contributes to in obvious ways like content being indexed and less obvious ways like Google Analytics visitor tracking.

Fountain pens

Earlier, I wrote a mini review of an inexpensive Pelikan fountain pen. It also seems worth commenting on the pen type generally.

The two principal virtues of fountain pens seem to be that it takes very little pressure to write with them – which eases the task of writing for hours on end – and that it is a fun novelty to write with an unusual implement.

Those virtues being recognized, there are also good reasons why fountain pens are no longer prevalent. At least when it comes to the inexpensive ones I have used, it can be hard to start writing with one when it has been left alone for a day or two (much less for a week or two). Getting the ink flowing often involves the messy business of spinning the pen like a centrifuge to drive ink down through the nib. Similarly, fountain pens experience issues with the flow of ink being randomly interrupted while writing, which is especially annoying when you are trying to jot something down quickly. Avoiding this requires that you clean the nib regularly, which is messy and a bit annoying, since you need to write with extra-watery ink for a good while after you clean it out.

Fountain pen cartridges run out of ink much more quickly than your standard ballpoint / rollerball / gel ink cartridges, and are messier and more difficult to replace.

In short, there are many inconveniences that seem to be associated with fountain pen use. They may be less of an issue for very expensive pens, but I am hardly going to spend hundreds of dollars to find out. Fountain pens can be fun to use from time to time – and are genuinely useful for circumstances like three hour essay exams – but I doubt they should be replacing anybody’s favourite modern pen options for ordinary day-to-day uses.

Radiation threats to health

I must admit to being perplexed when I see sentences in news stories like: “TEPCO vice-president Sakae Muto said, however, the plutonium 238, 239 and 240 collected were not in concentrations harmful to human health.”

While I am far from being an expert, it seems to me like at least some of the discussion of the risks from radiation is misleading. In particular, I think it is a bit misleading to pretend that radiation is a homogenous mass like a magnetic field. In reality, the radionucleotides that have been released from Fukushima are solids and gases getting blown around in the wind. They are less like the fading signal from a cell phone tower as you walk away, and more like a person’s ashes that have been scattered into the wind. You can take an average measure for the amount of radiation in an area, but that doesn’t give you a good sense of how much exposure a person will get if they inhale or ingest a random batch of windswept particles.

This seems especially true when it comes to plutonium. Imagine a little speck of plutonium that was part of a burning MOX fuel rod in the Number 3 reactor at Fukushima. Burning zircaloy cladding on the fuel rods could have shifted it into a puff of radioactive smoke that either escaped through a crack in the reactor’s containment or was intentionally vented as part of ongoing efforts to cool the reactors. If that little speck ends up in your lung, it certainly seems as though it would be a danger to your health.

Am I totally off base here?

The Brief Wondrous Life of Oscar Wao

Ordinarily, the multi-generational family story is my least favourite kind of novel. I usually find them tedious and uncompelling. It speaks especially well of Junot Diaz’s book, then, that I found it engagingly written and worthwhile, though a rather darker read than I was expecting.

Diaz succeeds in giving distinct voices to his multiple narrators, though it wouldn’t have hurt to identify them at the beginning of each section. The book is also full of poignant and clever descriptions, though they may be a bit crass for some tastes. Diaz’s writing includes many untranslated Spanish passages, some of which at least provide hints of meaning to speakers of English and French, while some of which are simply incomprehensible without assistance. It also includes numerous references to science fiction and fantasy books, which are a passion of the novel’s titular figure.

Perhaps the most compelling aspect of the book is the way in which it effectively expresses the experience of living in a dictatorship that is also a police state: the arbitrary arrests, the inconsistent application of justice, the torture, the rapes, the fear, the spying between neighbours, the absurdity, and the inevitable abuse of power by the secret police. Diaz is very effective at conveying an impression (I cannot judge how accurate) of what the Dominican Republic was like under Rafael Trujillo, the man who looms over the book but whose assassination is relegated to a long footnote.

Reading The Brief Wondrous Life of Oscar Wao could serve as a bit of a vaccine for those who are frustrated by the imperfections of democracy and who wonder whether a benevolent despot might do better. With visceral language that makes for anxious reading, Diaz expresses the injustices that arise when power exists without oversight.

Flex your rights: anonymity

Being able to speak anonymously on the internet is an important right, in this age of increasingly constant surveillance. Because of organizations like the NSA, GCHQ, and Canada’s CSE, we can never know when our private conversations are actually being intercepted.

One tiny way to push back is to continue to be bold in asserting the importance of freedom of speech, even what circumstances compel that right to be used anonymously.

To leave anonymous comments on this site, just use whatever made-up name you like, including ‘anonymous’. If you use anon@sindark.com as your email address, you will get an anonymous logo beside your comment.

None of this is intended as an endorsement of the amorphous group ‘Anonymous‘.