Tihomir Čuljak
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...
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...
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 producing...
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...
For twenty years now, many large car companies have been working to create a car that will be able to drive without a driver. Even then, they promised that the development of this technology would tak...
At the bottom of the sea, various works are often performed by divers. Some such works can be done much more easily when a dome is placed at the bottom of the sea under which air is blown. Then worker...
In recent years, many authoring teams have been encouraged by grand prizes, mostly in the US with made cars that can take off vertically and fly at shorter distances. Flying machines can be divided in...
There are various search engines on the Internet that search the entire Internet, or just individual databases. Search engines that search the entire Internet are based on keyword searches. This searc...
The advent of communication tools for mobile phones has created the possibility of safer, faster and cheaper transmission of messages than by talking through mobile operators, exchanging SMS messages,...
Rabbits are bred for meat, but also as pets. Guinea pigs or hamsters are bred as pets. They all reproduce very quickly. The biggest problem is the stench that spreads when their feces are cleaned. Thi...
The vast majority of ships will sink if they are overturned by the waves, or if an opening is formed in the hull of the ship through which water suddenly enters. Some sailboats have ballast that retur...
Page 11 from 13. Results 201 - 220 from 242.
Filters