Lime scale is often found as a similar deposit on the surface of pipes and other surfaces where "hard water" has evaporated. In this lesson I will show you how to clean it.
The Iron Curtain symbolized the ideological conflict and physical boundary dividing Europe into two separate areas during Cold War. Iron Curtain divided countries in the capitalist West and the socialist countries of East.
Nature is everything around us, we are nature and we should be doing
everything in our power to preserve it. Now let's learn about nature in French language.
You got a .rar file and you don't how to open it, some one asked you to send him "a rar file" or you just need a good archiving software? Download and install WinRAR.
When people hear a word combination of Quantum Physics they really do not know how to get their head around it, this video might shed a light and help you understand the basic principles.
Scientists have discovered that playing computer games together can make brains of player act the same. Read on if you want to know more about the study of Helsinki Institute for Information Technology.
