We can often see some interesting or cool animated GIF images in forums or social apps, which generally originate from some classic movies or video clips. A lot of people want to know how to make such kind of GIF animations. The approach of "capturing each frame + manual merging" is too inefficient and even stupid. Fortunately, we have QGifer this convenient tool for use.

TheSkyX is a very powerful and popular astronomical telescope support software that contains an array of tools for advanced or amateur astronomers. It can simulate the starry sky in real time, adjust the time or location at random to see different sky scenes. Plus, it is capable of simulating all sorts of motion of the celestial bodies, as well as the astronomical wonders such like solar eclipse and lunar eclipse.

The founder of Age of Empires series of PC games Ensemble Studios that was disbanded by Microsoft didn't disappear from the scene, instead, they formed a new game studio Robot Entertainment, which soon afterwards announced their brand-new and original series of games Orcs Must Die!. The series currently has published three works in all: Orcs Must Die! (OMD for short) - pure single-player game, Orcs Must Die! 2 (OMD2 for short) - single-player game with double-player co-op game, and Orcs Must Die! Unchained (OMDU for short) - pure multi-player online free game.

The kernel of Linux is responsible for handling all the interactions between CPU and outside world, deciding the order of all programs share the processor time, effectively managing hundreds or thousands of processes to share the limited memory available in system, skillfully planning the data transmission as a whole to save the time consumed by CPU on waiting for the slower hard drive. Therefore, in-depth study of the most essential parts of the Linux kernel lets you completely understand what makes Linux run normally and why it can work well in various system distributions.

Lately, when I was using the Windows 7 in a virtual machine, I recalled one of Windows 7 classics - sound scheme. And then I thought, it was time to publish this sound schemes collection post for all versions of Microsoft Windows OS. I hereby dedicate this post to those guys who like to collect any official, untouched classic resources.