"ruler" videos at 5min

Turn your iPhone into a handy little ruler with the Ruler Plus app. Review by AppVee.com - the definitive source of iPhone app reviews.

This exercise forces you to contract your lower abs so your lower back will stay flat against the floor and...This exercise builds up the lower and upper abs. Key point: make sure your lower back stays flat against the floor the whole time.

Learn how to measure with a ruler - metric system

Here we'll show you the next step by creating ruler guides for the post-card in Adobe InDesign CS3.

Make sure everything in your house is straight when your iPhone is a level. A Free Level is a level app for the iPhone that uses the accelerometer to determine whether or not your iPhone is level where you're holding it. A Free Level includes a basic ruler in centimeters and inches on either side. Review of A Free Level by AppVee.com - the definitive source of iPhone app reviews .

Learn about the Roman Empire in this short clip. The Roman Empire succeeded the Roman Republic. Julius Caesar was the first ruler.

Learn with this short video about the Russian Empire, and its history, including its geographic extent and rulers Peter the Great, and Catherine the Great.

Stretching creates better range of motion in the musles, joints, and tendons, which prevents injury. Studies show it also promotes blood flow and muscle growth and repair.