Manyof uscan't imagine lifewithout a mobile phone.We can saythatmobile telephonyis developingwith the speed of light.But how muchdo you really knowabout the history ofthe development ofmobile phones?
Fish is daily protein source for 1.2 billion people, but fishers are more and more frequently returning home with empty nets. Watch this amazing animation and find out how you can help prevent overfishing.
In this lesson we will learn about free and excellent text editor that is only part of the whole Google offer. I will show you how to create a simple web document.
Collection of fonts on our computer is quite big, but sometimes we want to use some special font. We can find it on web and install it on computer for personal use.
To ensure the authenticity of a document you have to sign the document with the certificate. I will show you how you can easily sign PDF document with the help of simple tool DigiSigner.
A stretched sheet of spandex acts as a membrane interface sensitive to depth that people can push into and create fire-like visuals and expressively play music.
