Samsung revealed its new flagship smartphone, the Galaxy S 4 rocking a number of innovative features. Walk in to find out everything you need to know about the new S 4.
X-rays are a form of invisible, high-frequency electromagnetic radiation. X-rays are very small and energetic. They are used in different branches of science.
The amazing timelapse is a beautiful composition of thousands carefully taken photos, shot in 36 cities and 21 countries, capturing the magnificent and prime examples of European architecture.