kareina: (stitched)
As anyone who actually reads my journal is already aware, it has been a very strange winter here in Luleå. While we did have some nice, below freezing temperatures, and it did snow every so often, pretty much every time it snowed within one to three days thereafter it warmed up to above freezing +/- a bit of rain, and the walkways and streets became icy and slippery. As a result, every next time it snowed we were careful to leave a bit of snow on the walkways (when there was enough snow to bother shoveling at all) because the snow isn't slippery to walk upon (until it warms up enough, again, to melt it). However, if "winter" this year is defined as that period of time when the temperatures were often below zero for 1 to 15 days, followed by 2 to 7 days of temperatures a little above zero, followed by 1 to 15 days of below zero, repeat..., then winter has been over for a couple of weeks now, and we are well into "spring", by which I mean temps ranging from -1 to +8. Never mind that "spring" started well more than a month earlier than it usually does.

The deep puddles on the roads that happened at the beginning of this long warm spell are mostly gone and the pavement has dried, but the snow in the yards and fields is still present in large patches. Our side yard which has a fair few trees growing in it and native vegetation ground cover instead of grass has lost all of its snow (since not so much made it to the ground with the trees there to collect some in their branches), but our front yard/field still has a good bit of icy stuff that started out as snow. However, very near the house the melting has been much faster, and there is bare dirt (literally--that area was the part we did landscaping on last autumn, and no grass had time to grow in before winter started). However, the walkway itself is only slowly becoming exposed, and then only with lots of help. It turns out that the layers of "little bit of snow" we had been leaving on the walkway have condensed into a single layer of dense ice that is 10 to 15 cm thick.

Since this week has been mostly 6 to 8 C above freezing I have made a bit of time each day to chop some of that ice away, and now have exposed about half of the walkway itself. I am hoping I can get all of it chopped clear before the week is over, and that the ground along it starts to thaw quickly, since it would be nice to finish setting in the cobblestones around the cement blocks that make up the center of the walkway. While I would have preferred to have had a real winter, since we didn't I am hoping that it means that I can get an early start on summer projects, and the walkway will be a good thing to work on while we wait for enough thawing over in the earth cellar area to resume that project.

Speaking of projects--we have managed to rip out half of the floor in the basement room that has mold issues. Last night. Starting after choir. Doesn't everyone start major projects at 21:00 when one needs to be out the door at 07:00 the next morning? Here's hoping we can find time to get the rest of it out of there soon, so that we can scrub away the mold, patch the holes in the concrete floor where they bolted the supporting floor boards down, re-paint the floor, and finally move the stuff back into the room. I am going to like the new, higher, ceiling. Not that it will be very high. With the raised floor I can reach my knuckles to the ceiling without standing on my toes, without it I can only reach my finger tips to the ceiling without standing on my toes.

In other news, the GIS class I have been sitting in on had an exam today--a delightfully easy one in my opinion. We needed to explain about how and why tables are linked in a GIS project (with a sketch), explain about cylindrical map projections, explain why a polar orbit for satellites is useful for GIS purposes, and two other easy questions I seem to have forgotten. Now I just need to make time to finish up the last two labs for that course and it will be done.
kareina: (stitched)
It is a sad fact that people moving to Sweden with a driver's licence from the US, or from Australia (I have both) can't simply trade in their licences for a local one, but must instead jump through all of the same hoops a Swedish young person must do to obtain their licence. However, one of those hoops is a fun one: The Slippery Course.

This is a half-day session learning how to handle your car in slippery conditions, or having fun sliding around in a car. When we arrived this morning we started with a short lecture, in Swedish, by a guy who speaks REALLY fast. Luckily, I could read the slides, but then I needed to ask google what a handful words were (Before today I didn't know that "breaks" were called bromsar)

After the lecture we first played with some props--they have a bunch of car seats set up on a metal frame that can slide on rails and then come to an abrupt stop--the slope of the rails is set up so that at the moment of impact we were going at all of 10 km/hr, yet still the jolt was very noticeable. The next toy was a car set up on a frame such that it can rotate on its long access. They had us get in, fasten the seat belts, and then they rolled us, first one way, then the other, then fully upside down, where they held us for a bit (while the young girls squealed) before turning us back right-side up again.

I don't know if they said so explicitly (since I followed only most of the Swedish), but I suspect that the whole point of this part of the class was to make us WANT to wear our seat belts when we drive. They also showed us some films involving car accidents, and they showed a demo of a skull on a spring, and the difference between a sudden stop with and without a headrest behind the head (hint: you really don't want to be in a car without one).

After that they took us outside and divided us into pairs, so that each car would have one passenger and one driver. Our teacher suggested that I go second, so that he could do the explaining in Swedish and I could see what to expect, that way when it was my turn he wouldn't have to think so hard about the English words to explain what to do.

Our first task of the day was to drive a short stretch of road just long enough to reach an assigned speed, then attempt to make an abrupt left hand turn through some flexible tall traffic cones. However, the road surface just before the turn was (intentionally) both wet and oily.

Our teacher had done a demo of the tasks we would be doing when we first arrived, before we even got out of the car, so we *know* that it is possible to make that sharp left followed by a gentle right without colliding with any of the tall traffic cones. However, when the girl I was paired with tried it the first time, using the assigned speed of 50 km/hr, she failed to make the turn properly, and we managed to slide sideways through all of the cones at once.

She tried it a few more times at slower speeds, and never did manage to pull that one off, though she got better with practice. The next task was to do a more gentle change of lanes and straighten back out in the new lane, again doing the maneuver on a slippery surface, with the target path marked by more of the tall traffic cones. This proved easier, yet still she hit the cones on the first couple of attempts, then, finally found a speed slow enough that she could negotiate the maneuver.

Once she proved that she could do it they had us turn off the anti-skid technology that the car comes with, and she tried it again. This time we not only hit the tall traffic cones, we also did a full 180 degree spin before she managed to regain control of the vehicle.

After that set of playing on her part (and she was loving every minute sliding around) it was time to switch drivers. And I discovered that yes, 30 year of driving experience does matter. While I never did manage that really sharp left without clipping one or two of the tall traffic cones, I didn't go through them all broadside like she did.

And when I switched to the change of lanes I managed to do the maneuver at all the required speeds with only some sliding into yet another lane before recovering, but never hitting the tall traffic cones except for the time I had to do it without the anti-skid technology. He asked us if, having done this course, we would choose a car with that technology, and we both said "yes please".

After our lunch break our group swapped driving courses with the other, and she and I did the other exercise. This time the game was first to make a prediction of how long it would take to stop this time, then get up to an assigned speed and hit the breaks at a specific point, then see how many meters it took to actually come to a stop. The course was marked so we could easily read it off. Then we did the same thing, at the same speed on the second course, which was slippery with water and oil.

The difference? Well, at 30 km/hr we each, in turn, managed to stop on the good road in 12 meters, but but it took her 45 meters on the slippery road (I took notes when she drove, and she when I did, so I only have the written records for what she did, but I can remember some of my numbers anyway). At 50 km/hr she was able to stop in 20 meters on the good road, but took fully 90! to stop on the oily one (but I did it in 70, so some of that is experience). They didn't let us try the slippery course at 70 km/ph, but on the good road it took her 30 meters to come to a full stop.

All in all I found the course to be entertaining, and rather valuable. I wish they had had something like that when I was learning to drive. Now that this hoop has been jumped through I need only finish doing the practice exam questions on line and then take the driving test itself. That has been scheduled for early July, so I have a deadline to complete the practice questions.

After the course, since I had set aside the full day for the course, but we got back to Luleå (the course is held in Piteå, 45 minutes south of here) in the early afternoon, I opted to use the opportunity to run a few errands in town, and met [livejournal.com profile] lord_kjar there (he has a cold, so had taken the day off of work).

This evening our choir did a recording session, for the first time since I joined the choir. It was much fun. We sang five different song (2 to 3 takes each) and had a great time doing it. We had a good turn out for the recording session--we had six each sopranos and bass, and four each altos and tenors. I am looking forward to hearing how they come out once the guys have finished editing them. Technically choir is over for the semester--our last rehearsal was yesterday, but today was a recording session, and Friday we perform at the Farewell Dinner for the Exchange Students (since a high percentage of our Choir are exchange students).

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