The handwoven rope bridge in Peru was once a part of a sophisticated Incan road system that ran through South America 500 years ago, but is the only one that remains today. The bridge is rebuilt ...

one-rope bridge, grenade assault course, Army Physical Fitness Test, land navigation, and a ten-kilometer road march. Ranger Challenge started at UNG in 1987. The first team at UNG was called Spurgeon ...

Lay the second rope over your head. You now have two cable-stayeds. Where do you feel a pushing force, or compression? Notice how the cable-stayeds transfer the load of the bridge (your arms ...