Tihomir Čuljak
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...
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...
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 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...
Drones are most commonly known as unmanned aerial vehicles. They appeared about fifty years ago as toys, and about thirty years ago they began to be used for air reconnaissance. In the last ten years,...
There has been a lot of talk in recent years about the circular economy. It is an economy in which used products are used as raw materials for new products. In order for the processing of some waste t...
NASU is plagued by a problem. How to deliver a crane to the moon that should unload cargo from the cargo space of the lunar modules that would supply future lunar colonies? Existing cranes are heavy a...
On earth, many materials are used in construction. Some materials like wood are simply taken from the environment, while some materials are produced in large cement, brick, or iron factories. There ar...
Around a billion people in the world have some form of disability. That’s about 15% of the world’s population. There are also many temporary invalids as a result of illness, injury or old age. Disable...
NASA has plans to resend people to the moon, but this time on a more permanent mission. They have to solve a lot of problems for this project. The most important problems are around the distribution,...
To date, several space stations have been built for the permanent residence of humans. They are made of solid material and in one piece taken into space to a location where they are placed at a certai...
Today, most mobile communication devices transmit data either through numerous repeaters located on taller buildings and poles. The new mobile 5G network will have to have repeaters every few hundred...
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...
Astronauts also have the physical need to go to the toilet in space. Sometimes when they are sick they have to vomit. In space, all this is a problem because there is no gravity so bodily secretions f...
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...
For renewables, and especially for wind, the biggest problem is that energy is produced at one point and consumed at another time when consumers need it most. Therefore, there must be spare capacity i...
Ships have been using wind power for hundreds of years. After the invention of the steam engine, and later the internal combustion engine, wind power was used only for sport and family sailboats. Deve...
Snipers are rifles with an optical sight aimed at destroying enemies over long distances, and can also be used for hunting. Snipers are used by specially trained soldiers, snipers trained to observe e...
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Tihomir Čuljak
