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The torii is a traditional Japanese gate built at the entrance of shrines.
The cause of a heart attack is the blockage of a coronary artery. It is one of the most common causes of death.
While the density of spider silk is less than that of nylon filaments, its tensile strength is greater than that of steel.
Stirling engines are also known as external combustion engines. Unlike internal combustion engines (e.g. Otto-engine), here combustion takes place outside the cylinder.
The characteristic ancient Greek statue was found on the bottom of the Adriatic Sea.
One of the Croatian sculptor's most famous works depicts a woman wearing a traditional costume.
The European badger is an omnivorous, nocturnal animal. Badger colonies live in large burrow systems called setts.
Mirror image isomers of asymmetrical shapes and solids are non-superimposable.
In a passive house a comfortable inner temperature can be ensured without the use of traditional heating and cooling systems.
Tower cranes are machines used for lifting loads weighing up to several tonnes.
Tardigrades can survive in extreme environments; they could even stay alive in outer space.
A transformer is a device used for converting the voltage of electric current.
The Northern white-breasted hedgehog rolls into a ball to protect itself.
The largest type of Arab sailboat, most commonly used as trading vessels in the Persian Gulf.
This animation demonstrates the design and operation of a traditional cinema projector.
A sailing vessel with characteristic lugsails used for both military and trade purposes.
Biogas can be produced from organic material (manure, plant waste, organic waste) using bacteria. Biogas is a mixture of methane and carbon dioxide; burning methane produces energy.
Highly committed Japanese soldiers fought primarily at the Asian and Pacific theaters of the Second World War.
The Japanese Mitsubishi A6M, commonly known as 'Zero' to the Allies, was a legendary aircraft of the Second World War.
The V-1 flying bomb was an early pulse-jet-powered cruise missile developed in Nazi Germany and deployed in WWII.
This animation demonstrates the process of star development for average and massive stars.
The Tesla Model S is one of the first commercially available electric cars.