Mirror image isomers of asymmetrical shapes and solids are non-superimposable.
The Chengdu J-20, also known as Mighty Dragon, is a multiple function stealth fighter aircraft.
The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.
Producing speech requires the synchronised operation of several cortical centres.
Inhabitants of the northern part of the Netherlands have successfully fought the sea since the Middle Ages.
The ancient city located near the river Euphrates was an important Sumerian centre.
The cause of a heart attack is the blockage of a coronary artery. It is one the most common causes of death.
One of the most important religious military orders, formed in the era of the Crusades.
The animation shows the anatomy of turtles.
Raw iron is produced from iron ore in iron smelters.
The design and structure of modern houses play an important role in environmental protection.
Fatty acid molecules consist of a polar head and a non-polar tail, therefore they are suitable for removing fat stains.
The characteristic ancient Greek statue was found on the bottom of the Adriatic Sea.
During the substitution reaction the hydrogen atoms of methane are substituted with chlorine atoms, the by-product is hydrogen chloride.
Limestone is a widely and diversely used material.
In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.
A special, 3D version of the well-known Chinese logical game.
The topmost layer of our skin is the epidermis, which contains melanocytes.
One of the Croatian sculptor's most famous works depicts a woman wearing a traditional costume.
Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside...