When we think of machines, the likes of robots, appliances and manufacturing equipment come to mind, but scientists also classify such common objects as the screw, the lever, the wedge and the wheel ...

WAAAAAYYY back when I was in middle school physics they had some programs on our school computer that let you build simple machines. We basically built Rube Goldberg machines in the simulator to test ...

If you need a quick way to create simple diagrams, Gliffy is it. Even if your job has nothing to do with graphic design, chances are you still have to produce the occasional diagram. Whether you’re ...