Tag: Contemporary period
What caused the fall of the USSR?
The fall of the USSR became almost inevitable in the early 1990s. The USSR is a federal state which, since 1922, has brought together some fifteen Soviet socialist republics to…
Heliography: what is it?
Heliography is the very first photographic process that we owe to the engineer Joseph Niépce (1765-1833), around 1822, considered the inventor of the photography. It is by studying the bitumen…