One of the Croatian sculptor's most famous works depicts a woman wearing a traditional...
Stirling engines are also known as external combustion engines. Unlike internal...
This animation shows the hierarchical structure of the Medieval Christian church.
The German engineer Otto Lilienthal was the first person to make successful flights with...
A transformer is a device used for converting the voltage of electric current.
The torii is a traditional Japanese gate built at the entrance of shrines.
Mirror image isomers of asymmetrical shapes and solids are non-superimposable.
Several analogous types of eyes have developed independently through convergent evolution.
The American Civil War was fought between the Confederacy and the Union.
Edison´s invention records and plays sound from a cylinder, while Berliner´s apparatus...
A type of sugar found in mammalian milk.
Highly committed Japanese soldiers fought primarily at the Asian and Pacific theatres of...
The Japanese Mitsubishi A6M, commonly known as 'Zero' to the Allies, was a legendary...
Pollution is the negative effect of human activity on the natural environment.
The battleship USS Missouri, first deployed during WWII was also deployed in the Gulf War.
Metals forming hexagonal metallic lattices are rigid and difficult to machine.
Cinemas were built in large numbers in big cities of the US in the 1910s.
This animation demonstrates how mobile phones work.
This animation demonstrates how a CRT television works.
This animation explains how a plasma display television works.