A lot of useful knowledge remains unpublished for natural or legal reasons. The patent granting period, usually 3-5 years, is too long, especially for older inventors. Useful knowledge often falls into oblivion and rediscovery becomes almost impossible under the pressure of a huge amount of information about new knowledge. This is how we miss timeless inventions that were not yet relevant at the stage of creation, but could solve very current problems today. In addition, the discovered laws of nature are not used enough in the relevant contexts, because learning and thinking is often painful, and the implementation of scientific knowledge in practice is very often underestimated, misunderstood or undesirable.

I am a graduate of three universities. I achieved some scientific results already during my first studies. My most active scientific period lasted until I was 45 years old. After that, I focused mainly on business. However, some ideas at that time still remained unfinished and were waiting to be rediscovered in my head, because I was mainly dealing with the requirements of my employers. Almost every time I remembered these ideas, they were arbitrarily refined, but still only in the windings of my brain. I only started working on it during my retirement. I built a few working prototypes that I took apart before moving to another country and hoped that all I had left was paperwork. Fortunately, I can't focus on describing something finished without trying to improve it further. So I spent the next 3 years verifying new working prototypes.

It was only in December 2024 that I decided to create this small e-shop to sell my know-how without trying to patent the products, because in a few months I will be 70 years old. I think it is high time to publish at least some of the existing 28 know-how products.

Another reason is that global warming must be stopped as soon as possible, or at least slowed down. It is not enough to increase the use of renewable energy sources or so-called clean energies, including nuclear energy. Active cooling is necessary to compensate for global warming caused by heat from fossil fuels, including nuclear. Reducing the content of carbon dioxide will slow down photosynthesis, which is the natural way of storing it and, above all, is the only source of food on our earth.