Researchers don't know for sure when steel was invented, but some of the earliest examples of steel date back to the 1st millennium BC in Central and South Asia.
We have long been familiar with the phrase 'stainless steel', commonly found in kitchen utensils, faucets, sinks... But what stainless steel actually is, not everyone knows.
The article will provide you with useful information on how people cleverly combine metals together to create stainless steel products.
In daily life, we often face all kinds of odors: pet smell, mold clothes, foot odor, bad breath ...
Here are a few stories about the origins of unexpectedly invented items - which are familiar to us.
History is always full of accidental inventions that change the life of the world, below is one of those inventions. In 1946, Percy Spencer, a radar research engineer, was
Recently, a research team has developed 3D printing technology that produces stainless steel products, both hard and flexible.
US researchers have developed a super-hard steel that shields meteorite satellites or drills through the strongest layers of rock.