Terrain
in sentence
180 examples of Terrain in a sentence
Within that sphere, most of those nodes are not actionable, like the harshness of the terrain, and a very small minority are actual military actions.
We're going downhill in some rocky terrain, and the front tire of Alex gets caught in one of these crevasses here.
And yet, the
terrain
was very familiar.
over varied
terrain
for many hours.
When you're doing mountain rescue, you don't take a doctorate in mountain rescue, you look for somebody who knows the
terrain.
So it was important for us, when we were building this tool, to make it an exploratory one, so that people could dig through this vast
terrain
of data.
I think of it as a vehicle that we're giving people to traverse this really big
terrain
of data.
It has to be smart enough to avoid
terrain
hazards and to find a good landing site on the ice.
And everyone thought I was good, but in this new terrain, I was horrible.
Here are some tricks that I started to bring to that new
terrain.
A metaphor will serve here: Where elite mathematicians and statisticians and theorists often serve as architects in the expanding realm of science, the remaining large majority of basic applied scientists, including a large portion of those who could be said to be of the first rank, are the ones who map the terrain, they scout the frontiers, they cut the pathways, they raise the buildings along the way.
In the Himalayas, I found children carrying stone for miles down mountainous
terrain
to trucks waiting at roads below.
So if you look at this flower here, and you're a little bug, if you're on that surface of that flower, that's what the
terrain
would look like.
There's 40 million people who need a wheelchair but don't have one, and the majority of these people live in rural areas, where the only connections to community, to employment, to education, are by traveling long distances on rough
terrain
often under their own power.
I started looking at wheelchairs in developing countries in 2005, when I spent the summer assessing the state of technology in Tanzania, and I talked to wheelchair users, wheelchair manufacturers, disability groups, and what stood out to me is that there wasn't a device available that was designed for rural areas, that could go fast and efficiently on many types of
terrain.
Now when you're talking about trying to travel long distances on rough terrain, I immediately thought of a mountain bike, and a mountain bike's good at doing this because it has a gear train, and you can shift to a low gear if you have to climb a hill or go through mud or sand and you get a lot of torque but a low speed.
And this ideal product would also be able to go about five kilometers a day so you could get to your job, get to school, and do it on many, many different types of
terrain.
Again, the key innovation of this technology is that when he wants to go fast, he just grabs the levers near the pivots and goes through a big angle every stroke, and as the going gets tougher, he just slides his hands up the levers, creates more torque, and kind of bench-presses his way out of trouble through the rough
terrain.
So I'm an academic at MIT, and I'm a mechanical engineer, so I can do things like look at the type of
terrain
you want to travel on, and figure out how much resistance it should impose, look at the parts we have available and mix and match them to figure out what sort of gear trains we can use, and then look at the power and force you can get out of your upper body to analyze how fast you should be able to go in this chair as you put your arms up and down the levers.
So because we tested it with wheelchair users, with wheelchair manufacturers, we got that feedback from them, not just articulating their problems, but articulating their solutions, and worked together to go back to the drawing board and make a new design, which we brought back to East Africa in '09 that worked a lot better than a normal wheelchair on rough terrain, but it still didn't work well indoors because it was too big, it was heavy, it was hard to move around, so again with that user feedback, we went back to the drawing board, came up with a better design, 20 pounds lighter, as narrow as a regular wheelchair, tested that in a field trial in Guatemala, and that advanced the product to the point where we have now that it's going into production.
Now also being engineering scientists, we were able to quantify the performance benefits of the Leveraged Freedom Chair, so here are some shots of our trial in Guatemala where we tested the LFC on village terrain, and tested people's biomechanical outputs, their oxygen consumption, how fast they go, how much power they're putting out, both in their regular wheelchairs and using the LFC, and we found that the LFC is about 80 percent faster going on these terrains than a normal wheelchair.
It's also about 40 percent more efficient than a regular wheelchair, and because of the mechanical advantage you get from the levers, you can produce 50 percent higher torque and really muscle your way through the really, really rough
terrain.
Now the second lesson that we learned in this is that the constraints on this design really push the innovation, because we had to hit such a low price point, because we had to make a device that could travel on many, many types of
terrain
but still be usable indoors, and be simple enough to repair, we ended up with a fundamentally new product, a new product that is an innovation in a space that really hasn't changed in a hundred years.
We hope to have opened the door for more such research in this direction, so the remaining unknown
terrain
will be charted in the future.
Titan is Saturn's largest moon, and, until Cassini had arrived there, was the largest single expanse of unexplored
terrain
that we had remaining in our solar system.
The poetry is really about evoking the local: the mountainous terrain, using colors to pick up the spectacular light, understanding how to interpret the nomadic traditions that animate the nation of Mongolia.
But China's extreme
terrain
and size have created an enormous and immediate need for innovation.
And look what it does with its foot to get over challenging
terrain.
Watch where the robot, now, contacts its leg in order to deal with this very difficult
terrain.
Now, you might have noticed something else about the animals when they were running over the rough
terrain.
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