How much time have I spent in the workshop since we moved in?

It's several weeks of accumulated time, so it was undoubtedly a great idea to include this workshop and make it comparatively large, and everyone likes that I can work here instead of somewhere else. Easier for bodyguards. Easier for sambos. Ciara definitely prefer that I work here instead of somewhere outside Thrymheim. Easier for me too, and more time efficient. It's convenient and very practical that I don't have to get dressed and go out to some workshop, and it is so close when it comes to eating or going to the toilet. It is actually further to the dining room where I eat than to the kitchen where the food is prepared and brought to the dining room. Everyone also knows that what I do in here almost always leads to something good, useful or incredibly important for the future of Alfheimr, so no-one mind me spending a lot of time here.

The workshop was a very good idea, and more people than just me use it, which is partly a disadvantage as it interferes with alone time. I wish I had made Thrymheim bigger. But it's easy to get caught up in adapting what has been spent a lot of time designing, instead of making a proper assessment and realising that other things are more important, or a bigger change would have been better. But I didn't expect this many people to be living here in the first winter, and I was more focused on all the important details with plumbing, heating, light and such. I could have made it a T shape instead of an L shape, with the pavilion to the south, and the pavilion instead be a part of the wing or main building with rooms etc, and it is possible that this will happen in the future. There could be a new pavilion on the lower cliff to the south. Or to the north-west and towards where the road goes up.

"The last song was better. What's it called?"

What? Iselin's voice makes me look round as I didn't hear the door open, and very surprisingly she's in the attic where the attic stairs go up. Just lying there looking down, head resting on her arms with her red hair hanging down, framing a big smug smile on her face, and her raised legs criss-crossed behind her. Ah! Iselin looks so incredibly pleased when she comes down, telling me that she has been lying there for a while and just watching me work and listening to the music. Really enjoying that she managed to sneak in here without me noticing. I didn't realise she might use her secret door to sneak in here without announcing her presence even to me, but I should have expected it. If she can ninja her way in here without even me knowing, she'll do it. She's wearing high heels, so her sneak attack doesn't seem to be well planned as socks would be quieter. But she is clearly quiet enough in high heels when she really wants to be. I'm happy to be hugged and kissed by my happy sexy wife, who throws a leg over mine and slides into my lap, as we continue to kiss. My lovely smart and sneaky wife.

I can easily build an alarm signal that buzz when the secret door opens, but it just feels wrong to take it away from her. However, it would be fun to at some future date rig up a small compressed air horn that BAAP when opened. Just once as a prank.

Iselin obviously loves her secret door, and I did build it to make her happy, so of course she's allowed to enjoy it. She loves that at least for now only she and I know about it. But Alith as head of security will be told and shown, as will as the hidden door behind Jane's painting in the dining room. But for now, Iselin's door is our secret.

"I've bleed and it's a safe time of the month..."

Our kissing means I've already started to get hard which Iselin clearly felt, and those words along with Iselin's eyes and naughty expression just turn my dial to 11. I just pull up her skirt as she hurriedly undo my fly. She sit half turned on my lap, with one leg under my leg, and we both thrust to get deeper penetration as our tongues play.

Our quickie is intense, but so very nice. Even though there is a small risk of pregnancy, it feels so damn good to just unload as I feel Iselin orgasm hard. Her half-lidded eyes are white, and I just hug her and both of us enjoy our post-orgasm cuddle, still sitting in my chair. I love to feel my wonderful wife making small contracting jerks from the orgasm, and it's damn rewarding how easy it is to give her another one by just touching her sensitive spots.

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I quickly check out the name of the song she liked. It will probably be added to the 'dance list'.

We move to the couch so Iselin can enjoy her after orgasm feeling, which is improved by me giving her a foot massage. We talk about all sorts of projects. We have so many projects. It feels extra nice that Iselin wants to take on the main responsibility and work on some, simply because she doesn't just want to have or use the final product. but actually understand it and having done it herself. The metronome and the slide rules are examples of such projects. I think that is good for many reasons, because it's motivation and she learns lots of new things by doing and understanding, and it also helps her self-confidence. Iselin in particular has learnt so much since I met her. I smile when Iselin starts talking about the air horns, which she is looking forward to and is curious about how loud the big one will be. A large horn can be loud when blown in, but with such incredibly high pressure hundreds of times more powerful than lungs? I feel quite sure that Iselin will see the fun in me rigging up a small air horn on her secret door. And she will then probably try to ambush Jane and Kari. She will probably want to record video of that.

Iselin isn't the only Elf that have been spoiled by having advanced digital cameras and recording equipment available, and just wish we could print it on paper and have large screens and such. Especially mobile phones are such wonderful magical technology, and besides the camera, you can call someone like on a radio and talk and message, listen to music, play games and order stuff on it too! All in something you can carry in a pocket!

Iselin and others are well aware it will at least be many generations until something even close is possible, but the want technology and machines. Every advanced thing we make is a step on that path, and might be very useful and important by itself.

Slide rules of various models will be useful, but in many cases we will need precise calculations, and eventually computers and mobiles will die. Sure, it can be calculated by hand, and a lot will need to be done that way, but it takes time. Yuck. I can see a future where I probably need to hire someone to just do maths for me and mine. So at some point I should start a project to make a mechanical calculator that can do the four basic arithmetic operations, and most easy and useful should be an Arithmometer model with Leibniz wheels, aka stepped drum, i.e. cylinders with ribs as teeth on a gear, and use movable gears on a square shaft as input sliders, counting wheel and movable accumulator board, all driven by crank handles. It could do addition, subtraction, multiplication and division of fairly large numbers, and with less error than a person will make. And if two different people on two machines do the same calculations, errors can be detected more easily. Leibniz, Pascal and others designed such machines. It will require lots of gears, angular gears and square shafts. And lots of leaf springs to make sure everything snaps between distinct fixed steps to give certainty, because otherwise it won't be reliable, and another advantage is that distinct steps mean less demand on mechanical precision and thus able to handle wear better. It will be really complicated to get it right, but I know the principle well enough. A lot of the parts will be identical, and especially if I can use press tools to make parts it will be much faster to manufacture and cheaper. A more advanced and compact pinwheel based calculator will not be so easy to make and understand, but I need to write down the basic operating principle and function for the future. And actually figure everything out and describe how to use it. Of course I want an electric calculator, but mechanical calculators can be used everywhere and will be far more reliable and cheaper, and producing them will really change the world. Good mathematicians can focus on the harder problems if common people can be educated enough and handle most of the every day calculations. I'm sure Iselin will want to help build a mechanical calculator, and maybe Ciara and Kari too. I believe they will quickly realise the value. Well, Iselin and Kari will. But once we do, we will need to start with a simpler basic mechanism and then add complexity.

Kari knocks on the door, and comes in once we say so, and it's obviously time for our movie night. Kari and Iselin are going to see 'Atomic Blonde'. Just explaining the movies background will be interesting to get right, but they need to get the intrigue with different countries' intelligence organisations etc and why Berlin became a centre for it. Lack of mobile phones etc will probably be the biggest thing they react to, because they expect every modern person to have one, and they won't see much difference from the 1980s to 2015ish.

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