Tihomir Čuljak
Modern protective vests made of kelver are most often used by police officers, solders, security guards and important persons. These vests protect very well against pistol ammunition. Military protect...
Pontoon bridges usually consist of floating parts over which small bridges are placed. They usually serve as temporary bridges, and are most often used in war. Such floating bridges must be portable a...
Solar cells are used to convert the energy of sunlight into electrical energy. This energy can be consumed immediately, it can be delivered to the electricity grid if it exists at the location, or it...
All over the world there are melioration canals that drain excess water from agricultural areas during periods of increased rainfall, or that serve to irrigate agricultural areas during the dry part o...
Drones are a new, very cheap reconnaissance and offensive weapon that is difficult to defend against. Most often, they are so small that radars cannot notice them, and even people from the ground cann...
When working in the garden, orchard and vineyard, one often has to bend down. Also, in the thicket, when cutting bushes, the woodcutter must bend down to the ground. Bending over is difficult for many...
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...
In the last 15 years I have made several models of this wind turbine. On each model I tested some other circuits, or variants of assemblies. A list of shots can be seen here. I also wrote a book about...
White Surface
It is said in Bhagavad Gita: O best among the Bharatas, four kinds of pious men begin to render devotional service unto Me- the distressed, the desirer of wealth, the inquisitive, and he who is search...
Car tires carry a car. They are made by inflating them with air to be elastic enough to cushion the impact of a car crossing over bumps. In order to be able to carry a car they must be inflated to a c...
In the last hundred years, all armies have been vigorously developing offensive weapons, but investing little in defense equipment. After the soldiers occupy some terrain, it is most important to quic...
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...
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...
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...
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...
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...
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Tihomir Čuljak
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