The latest video interview with the legendary Bill Gates, where he's talking about the Windows 8, Windows Phone 8 and the newest player in the tablet market, the Microsoft Surface.
You don't need Photoshop or some other advanced piece of software to resize a large number of images at once. You can use Microsoft Office Picture Manager which is part of the Office suite.
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.