Tihomir Čuljak
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...
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...
In many parts of the world, people have built houses from the country. Fat earthy walls are excellent heat insulation, in summer they are comfortable, and in winter warm. Energy consumption for heatin...
Chains for cars used for driving on snow can be purchased in stores. It’s a little harder to get auxiliary tools for driving over deep mud, which often happens when off-road cars drive through a fores...
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...
In the exploitation of metal and mineral mines, the raw material is usually in the form of sand. These sands contain valuable minerals that are important minerals in the production of many products ar...
Californian worms have been bred for decades around the globe. They are used for the processing of manures, and is product high quality humus. Small breeders worms products for fishing, while big bree...
Increasing the amount of waste of all kinds generated by industry and the population is increasingly seeking to develop technologies for processing waste into new raw materials. This so-called circula...
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...
Many places around the world are planning to build floating tunnels. These are tunnels placed in water at a certain depth below the surface, or at the bottom of the sea. Typically, such tunnels are in...
Skis are tools that people put on their feet to move through the snow more easily and faster. The sleds have the same function, but one can sit on them while someone else is pulling or pushing them. O...
Boats are intended for navigation, but sometimes they must go out to dry. Smaller vessels are brought out to dry when they are repaired, while larger vessels are brought to the docks for water extract...
Transport bags are used to carry a large amount of equipment, clothing or other material. They are used by travelers, hikers, and soldiers. Special military units sometimes carry up to 70 kilograms of...
Shepherds are people who have to go where sheep, goats, cattle and other animals they keep go. In this movement, they must spend days outside populated areas, moving through bushes, forests and karst....
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The world is changing at a rapid pace. Knowledge though important is not the only factor that helps in career success. To set oneself apart it is vital to gain expertise as well. Students have a great...
Bumpers, or fenders are the ship's equipment that protects the sides shackles of the boat from strokes in the docks while staying in the harbors. Fenders are usually made of solid rubber and are f...
Extensive breeding of ducks and geese on fishponds requires little investment. The duck and the geese are kept on the water during the day, while closing at night in the canopies. Canopies can be on t...
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Tihomir Čuljak
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