Author Archives: nikolapoljak

Zagrepcanka 512 – tower running

Last month somebody came up with the idea of organizing a tower run in Croatia. This has never been done here before, but is very common in some other countries (like the popular Empire State Building run-up). I found out … Continue reading

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Which manufacturer made my retina screen?

In the process of getting a new computer, I had the choice of getting the new retina macbook pro. After searching the web, I found out that there are some ghosting and image burn problems with some of the displays … Continue reading

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Bike assembly – frame painting

The first part of the bike to deal with is the frame. The frame determines the kind of bike (mountain, full suspension, race etc.) and the size of the frame determines the size of the rider. I had an old … Continue reading

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What is my ideal body weight?

A question I often get asked by some of my fellow sportsmen (I suppose because I am a scientist) is “What would my perfect weight be?”. This question is not really easy to answer, more so given that the society … Continue reading

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Convert multiple audio/photo files in one step

My wife asked me to convert a number of FLAC files to MP3. Apparently, this was supposed to be very easy to accomplish in Linux. She found a web site with a script that, unfortunately, worked only in very specific … Continue reading

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How to assemble or restore a bicycle – part by part

It’s been a while since I last wrote… I guess the laziness of the winter hours combined with plenty of work got the better of me. In any case, to keep my hands busy during this winter, I decided to … Continue reading

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Zagreb marathon

As some of the readers know, I am Croatian, so I’ll promote some of our races with the intention to get some of you interested. One of these took place today – the Zagreb marathon. This year marks the 21st … Continue reading

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A biker’s delight

Last weekend I got a chance to try out how the new XC bike behaves on a real mountain track. In Croatia, there are plenty of mountain bike (XC) tracks, but only a few provide a real challenge and are … Continue reading

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How to make a wall ball

Plenty of useful crossfit exercises can be done with a wall ball. Instead of buying an expensive factory produced ball, you can make one yourself for a bit more than 5 pounds. Ingredients and tools: A basketball, not too expensive … Continue reading

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Lightest hardtail XC bike ever

Imagine you wanted to build the lightest XC bike ever. After browsing around the Internet a bit, I found this and wondered how low could one go in weight? Is it possible to go sub 5.5 kilo? As an additional … Continue reading

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