But when we do alpine skiing, the limit is the 100m-high slope we have.

CNN: Skiing's 'dark arts' to invade Olympics

Another Thai survivor stuck on the "critical side" of the volcano awaits rescue, he said, because the steep slope and high elevation prevents a helicopter landing.

WSJ: Guides Recall Escape From Philippine Volcano

Another Thai survivor stuck on the "critical side" of the volcano was awaiting rescue, he said, because the steep slope and high elevation prevents a helicopter landing.

WSJ: Guides Recall Escape From Philippine Volcano

After some casting about, as it were, I settle on the 300-square-mile High Lonesome Ranch on the western slope of the Rockies in DeBeque, Colorado.

FORBES: Hat Trick at High Lonesome

The unemployment levels are still close to historical high levels but on a downward slope, declining from 9.8% in November 2010 to 9.4% in December 2010.

FORBES: Consumer Spending Rebound Makes AmEx A Slam Dunk

Then there's the Slide (pictured above) which relies on interesting physics to support the iPad: a heavy high-friction rubber cylinder is pulled out of its tubular compartment under the metallic slope, and it can be placed anywhere on the slope to support the iPad at any desired angle, up to somewhere around 70 degrees -- you can see it and the others in action in the earlier video.

ENGADGET: Just Mobile talks about working with Apple and why it manufactures in Taiwan exclusively

Or maybe it all started when the car backed up the slope of the driveway and the tires bumped over the sidewalk between the knee-high pricker hedges.

NEWYORKER: Getting Closer