Tihomir Čuljak
When a boat moves through the water it has to overcome a certain water resistance. Part of the resistance is formed on the bow where the boat penetrates through the water. The second part of the resis...
Today, many countries, especially China and Arab countries, are building artificial islands, but they are solid, not floating. This is usually done in places where the sea is very shallow. To make a s...
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...
Fishermen at sea usually only catch some kind of fish. Everything else they catch is usually thrown back into the sea. These are various types of small fish, plankton, jellyfish, seagrass, and if they...
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...
Children are endangered on the Internet in various ways. Most often, it is a mockery by real-life acquaintances, or by acquaintances from social networks. The greatest danger is posed by people who mi...
When going out for a long time, hikers, mountaineers and soldiers usually resting in tents. The problem is when staying in a wetland where the soil is moist, or in frozen terrain. This problem could b...
When working in the garden, people often have to bend to the ground. It is difficult for many people. With a tricycle that has a low seat, it is possible to ride a tricycle, and sitting on it to plant...
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...
Ten years ago, it became popular around the world to store data from personal computers and mobile devices on some remote servers whose location was completely unknown to users. The creators of operat...
The garden on raised beds is most often built by gardeners who have little space, or those who find it difficult to bend to the ground. If such beds are raised to a meter in height, planting and harve...
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...
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...
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 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...
One-wheeled trolleys, the wheelbarrow, are a small innovation that has significantly facilitated work in construction, but also in agriculture. These carts allowed one man to easily carry a load great...
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....
In military vehicles in the war zone, the problem is mines are buried in the road. When a vehicle hits a buried mine, most of the mines explode in front of the front wheels above which the driver or p...
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...
Excavators are machine that most often use for excavating canals, building foundations, and leveling the terrain. There are more and more work tools that can be placed on the hand of the excavator,...
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Tihomir Čuljak
