Tihomir Čuljak
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...
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...
Rabbits and poultry are usually kept in cages. If kept outdoors they should be protected from beasts and birds of prey. Keeping them outdoors is more humane, they can live longer, and no cleaning is r...
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...
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...
Physical activity, either as a useful work or as a game is useful for both physical and mental health. Physical activity lowers cholesterol levels, lowers blood pressure, alleviates the effects of dia...
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...
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...
Rabbits are bred for meat, but also as pets. Guinea pigs or hamsters are bred as pets. They all reproduce very quickly. The biggest problem is the stench that spreads when their feces are cleaned. Thi...
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...
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...
According to some satellite images, the land surface under vegetation increases with increasing CO2 levels in the air. The same footage shows a very large disappearance of forests, which disappear in...
In recent years, in many countries, they did raised gardens have emerged. In some greenhouses, vegetables are grown on more floors. In Israel, some farmers breed strawberries in a meter raised with la...
Many people in the world occasionally made the boats on which they set their sailing gardens. Such gardens are usually very expensive. Some primitive peoples living in swampy areas have also made floa...
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...
Cows, sheep, goats and other homemade animals must be kept from escaping and from attacking the beast. The most commonly used electric fences are used to prevent escape to foreign lands. Such escape f...
In order to live, we have to eat. A food table is the centre of a family gathering. Moreover, the family is the basic unit of society. Love among its members is a fundamental link that connects famil...
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