Tihomir Čuljak
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...
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...
Most people fence their houses and farms most often with wire fences. Such fences are good against dogs, jackals, foxes and similar animals. These fences can well keep chickens, sheep, goats or cows i...
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...
With the development of e-commerce and online marketing, there is a need to analyze the success of such marketing and sales. And when the need for an Internet tool arises, an application for that prob...
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...
In many smaller towns and villages along roads, there are stormwater drainage canals into which water from roads and house roofs flows during rains. In larger cities, these catchment waters are draine...
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...
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...
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...
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...
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,...
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...
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Tihomir Čuljak
