On June 13th, 2013, the AeroVelo Atlas Human-Powered Helicopter captured the long standing AHS Sikorsky Prize with a flight lasting 64.1 seconds and reaching an altitude of 3.3 metres.
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.
Let's see if you are familiar with the very basic words of the German language. Go through the intuitive questionnaire and build up your knowledge profile.
In this lesson we will show you how to use the enhanced cropping tool to trim and efficiently remove unwanted portions of pictures to get just the look that you want.
If you don't have installed program for editing PDF documents on your computer, then you can use web application PDFescape which allows you to edit your documents in your browser.
