walking   9733

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"Depending how you slice it — time or money — there are either 61 or 960 immediate reasons not to travel by Amtrak trains from New York City to Los Angeles. Those are the extra hours and dollars, respectively, that you might reasonably expect to forfeit if you forgo a six-hour $129 nonstop flight and opt instead for an Amtrak sleeper car. Covering the interjacent 2,448.8 miles can easily consume some 67 hours for a mind-boggling $1,089."

"Amtrak knows you want to smoke. Amtrak knows you love to smoke. But while you’re living under Amtrak’s roof, you have to follow the rules, of which there is only one, and that is: Don’t smoke inside."
NYT  U.S.  Amtrak  photo  CaityWeaver  HollyAndres  time  money  train  NYC  LA  walking  driving  car  smoking 
yesterday by cosmic
poem for us: In Praise of Walking
Walking is a mobile form of waiting.
link  poetry  walking 
yesterday by kvl
A robot leg learned to walk by itself without programming, in a scarily short time • Science Alert
Carly Cassella:
<p>The team claims to have created the first AI-controlled robotic limb that can learn how to walk without being explicitly programmed to do so.

The algorithm they used is inspired by real-life biology. Just like animals that can walk soon after birth, this robot can figure out how to use its animal-like tendons after only five minutes of unstructured play.

"The ability for a species to learn and adapt their movements as their bodies and environments change has been a powerful driver of evolution from the start," explains co-author Brian Cohn, a computer scientist at USC (University of Southern California).

"Our work constitutes a step towards empowering robots to learn and adapt from each experience, just as animals do."

Today, most robots take months or years before they are ready to interact with the rest of the world. But with this new algorithm, the team has figured out how to make robots that can learn by simply doing. This is known in robotics as "motor babbling" because it closely mimics how babies learn to speak through trial and error.

"During the babbling phase, the system will send random commands to motors and sense the joint angles," co-author Ali Marjaninejad an engineer at USC, told PC Mag.

"Then, it will train the three-layer neural network to guess what commands will produce a given movement. We then start performing the task and reinforce good behavior."</p>
robot  walking  algorithm  neuralnet  machinelearning 
2 days ago by charlesarthur
Rights of way and accessing land - GOV.UK
The Countryside and Rights of Way Act 2000 ( CROW Act ) | Rights of way and right to roam - access rights of way, open access and permissive access land, use common lands, the Countryside Code, report problems.
government  politics  agriculture  environment  travel  walking  geography  maps  information  reference 
6 days ago by asaltydog
CRoW: OS maps
The Countryside and Rights of Way Act 2000 ( CROW Act )
government  politics  agriculture  environment  travel  walking  geography  maps  information  reference 
6 days ago by asaltydog
Gaze and the Control of Foot Placement When Walking in Natural Terrain: Current Biology
Eye movements and locomotion are intimately linked in a way that reflects the integration of energetic costs, environmental uncertainty, and momentary informational demands of the locomotor task. Thus, the relationship between gaze and gait reveals the structure of the sensorimotor decisions that support successful performance in the face of the varying demands of the natural world.

"The relationship between gaze and gait"!

h/t Charlie Loyd, 6
walking  vision 
6 days ago by madamim
Children are not like other loads: a cross-cultural perspective on the influence of burdens and companionship on human walking
In the present study, we observe that Ugandan and American walkers choose different speed strategies based on universal situations—that is, just because child carrying and group walking are human universals, it is clear that there are not universal solutions to these situations! While American walkers tend to increase their speeds when walking in groups, Ugandan walkers decrease their speeds when walking with others. Ugandans alone walked faster than Americans alone, even though all group types of Ugandans walked slower than their American counterparts. These differences in speed decisions also extended to individuals walking alongside or carrying children; Ugandans slow down when children are present, while Americans speed up. In both samples, children were carried at significantly different speeds than similarly-sized loads of food or goods.

via Charlie Loyd's 6
walking  culture 
6 days ago by madamim

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