Tihomir Čuljak
Drones are a new, very cheap reconnaissance and offensive weapon that is difficult to defend against. Most often, they are so small that radars cannot notice them, and even people from the ground cann...
During the summer heat and dry weather, fires in open spaces are a frequent occurrence, especially in forests and thickets that are not cultivated and where there are no grazing livestock. And when dr...
In the last 15 years I have made several models of this wind turbine. On each model I tested some other circuits, or variants of assemblies. A list of shots can be seen here. I also wrote a book about...
When mosquitoes attack, people usually defend themselves with various repellents. But if they are near swamps, it doesn’t help them much. To destroy a large number of mosquitoes, it is necessary to du...
Most of the inventions, innovations and technical ideas that I have published on this page, and some that I have not yet, I decided to put together into one whole and publish as an e-book. I divided s...
The green ideology appeared at the moment of the most significant conflict between the nuclear lobby and the oil lobby. In the mid-1960s France and Germany were actively developing their nuclear power...
People always knew there was light, but they didn't know what it was. Staying in dark rooms or tents, they saw it penetrate through narrow holes and light up suspended dust, and by that they knew...
Compressed air is pressure-pressurized atmospheric air, which is used as a means for transferring and storing energy. When the air is pressed, its temperature rises. This temperature must what be remo...
Cows, horses, sheep and goats are domestic animals that are often kept outdoors so that grass and bushes can fall. But in bad weather they need to be protected from rain or snow by placing them under...
I looked at a show about building a pyramid in ancient Egypt and in Latin America. Archaeologists do not know how they are then people carried large stone blocks hundreds of miles away without mode...
On this new model of wind turbine with sails, I made some improvements that allow much easier installation, lifting, or later lowering in case of failure or servicing. For that I had to make changes t...
Tents, parasols and umbrellas are made so that the rain that falls from above is taken to the sides so that the water slides to the ground next to them. However, these human aids for protection from t...
There are several ways to purify salt water or dirty water. Distillation processes are most commonly used, as well as osmosis processes in which water passes through semipermeable membranes. Distillat...
In today's space stations, all food and water for the crew must be brought from the ground. This is a very big logistical and material problem that will have to be solved on longer trips by produc...
Physical activity, either as a useful work or as a game is useful for both physical and mental health. Physical activity lowers cholesterol levels, lowers blood pressure, alleviates the effects of dia...
This question many computer operating system designers and artificial intelligence application creators. To answer many try to copy solutions from nature. Computer scientists and microbiologists are s...
Ships are built in shipyards, most often on dry docks that are slightly sloping towards the water surface. On such docks, there are rails on which the ship is built, and after the completion of constr...
Maritime transport is the cheapest transport, and immediately behind it is rail transport. In order to speed up and reduce the cost of transport with these two modes of transport, container traffic ha...
There are various types of seawater desalination devices for drinking water and plant irrigation. Most of these devices use a lot of energy to evaporate water and convert it into water vapor which is...
The Corona crisis has forced children around the world to learn at home online. The whole adjustment process proved to be completely unprepared. Online teaching has become a mere copy of school teachi...
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Tihomir Čuljak
