Scientific application
Why does the Millennium Bridge shake?
Steve Strogatz is always interested in resonance. So when Cornell University professor of applied mechanics and theory learned that thousands of pedestrians made the Mil…
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9,109 published items in this category and its subcategories.
Scientific application
Construction of power plants run by garbage
Da Nang City People's Committee has just approved the construction of a waste-based power plant invested by ENVIROMONDIAL Company (Canada) in the city.
Scientific application
Air filter by biological filtration method
Biofiltration is a relatively new treatment for pollution. This is an attractive method for handling bad smell gases and volatile organic compounds with low concentratio…
Scientific application
Turn sludge, garbage into synthetic organic fertilizer
Synthetic organic fertilizer products are processed from sludge from ponds, lakes and canals in the craft villages which are crowded with farmers in the region and some…
Scientific application
Reserve carbon dioxide!
It sounds strange, but it's true. A scientific project in Canada to apply carbon dioxide to oil exploitation has been successfully tested, helping to solve 5 million ton…
Scientific application
Development process of textile industry
Textiles are one of the oldest human activities. After the period of eating fur in the hole, taking animal skin to cover the body, since the time of cultivation, humanit…
Scientific application
Lightning and lightning protection technology
According to calculations by scientists, at any given time, on Earth we have about 2000 active thunderstorms. Each average thunderstorm usually lasts 2 to 4 hours and ca…
Scientific application
Evaluate the level of pollution by biological method
One of the simple measures to assess the quality of flows is to collect and analyze major indicator organisms (aquatic insects and other aquatic organisms). This method…
Scientific application
Irradiation techniques in the production of biological protein preparations
Protein is the most important nutrient for plants. Their content in soil is very low, so plants often lack nitrogen. One of the most popular methods of increasing soil n…
Scientific application
Cast iron technique from China
In the 3rd century BC, the Chinese discovered that it was possible to make cast iron flexible by annealing the casted iron that would not be too brittle, resistant to im…
Scientific application
Fuel from mushrooms
One day, mushrooms will gradually leave the table and be present in the fuel of cars. Shiitake usually grows on woody stems in forests, they decompose complex organic ma…
Scientific application
Use biological measures against insects
Over the past 1700 years, Chinese people have been effectively fighting insects with pure biological measures: using other insects to kill insects. Their most obvious su…
Scientific application
Currency in ancient civilization
Coins, as well as hierarchical relationships and domination, are not new things created today. It has existed in civilizations even more ancient than the basin civilizat…
Scientific application
Firework be like?
Basic materials for making fireworks are Pepper or match pepper, sulfur and wood charcoal. These compounds are pulverized and put a little powdered powder. But for the f…
Scientific application
Why does copper have many different colors?
Copper though is not widely used as iron and steel. But it has many advantages that iron and steel cannot match. Pure copper has extremely good electrical conductivity a…