Tihomir Čuljak
When the vehicle encounters deep snow, the wheels sink into the snow, and the car cannot go any further. In order to be able to continue driving, chains have to be put on the wheels, but if the snow i...
Solar cells produce energy in a quantity that mostly depends on the power of solar radiation, the length of the day, and the surface of the solar cells. The problem is that in cloudy weather the amoun...
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...
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...
Many people made a floating raft of plastic bottles. Empty plastic bottles are placed in nylon sacks, or nets. Wooden pallets are placed on this floating structure. This raft has a large load capacity...
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...
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...
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...
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...
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...
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...
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...
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...
Alex Smith
Consider working with an expert when the need arises for lifestyle photography. With the right lifestyle photographer, you can acquire better service and results. Anderson Studio is announcing new ser...
Sailboats are vessels or boats powered by power wind. In the past, they were the most common type of vessel, while today they are used most on recreational yachts and sports vessels, but more recently...
Ships have been using wind power for hundreds of years. After the invention of the steam engine, and later the internal combustion engine, wind power was used only for sport and family sailboats. Deve...
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...
The sails on today's sailing boats most often have a triangular shape. The surface of a triangular sail is twice smaller than a square sail of the same height and width. By placing square sails on...
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Tihomir Čuljak
Alex Smith
