Nexus 4 smartphone comes with a bunch of Android widgets you can add to one of the screens. Let me show you how to add a widget to a screen and how to customize it.
Sumo is a traditional Japanese sport where wrestler attempts to force another wrestler out of a circular ring. Take this quiz and find out how much you really know about this over 1000 years old sport.
You are preparing a world wide event in your city and you want to be sure that every person around the world will know the exact time in their city. You will find out how in this tutorial.
The simulator called LOLA was built to study problems related to landing on the lunar surface as part of the Apollo program. You will also see the original video of how the simulation actually looked like.
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.
The new iOS 7 comes with an interesting moving background motion or a so called Parallax Effect when you physically move your device about. Let me show you how to turn it off to improve battery life.
While browsing the Internet a memory browser gets too accumulated with so-called cookies. In this lesson I will show you how to show cookies and also how to delete it.