Canes and Sticks used in the Manufacture of Walking Sticks, Umbrella Handles, Etc.
نویسندگان
چکیده
منابع مشابه
Diasporic walking sticks
As John Berger and Jean Mohr pointed out in The Seventh Man [5] an arresting photographic essay of European migrant labour in the 1970s the incapacitated and dying migrant is a murky presence within capitalism’s unconscious. Parodying the mounting tension between the global demand for healthy aspirational migrant workers and the responsibility for their long term well-being and care, Berger wro...
متن کاملEvolution: Anti-speciation in Walking Sticks
The interplay between selection and genetic exchange at a color locus between populations of Timema walking sticks acts as an anti-speciation phenotype. This actively counteracts speciation and offers a general mechanism to explain the porous nature of species boundaries.
متن کاملThe evolution of geographic parthenogenesis in Timema walking-sticks.
Phylogenetic studies of asexual lineages and their sexual progenitors are useful for inferring the causes of geographical parthenogenesis and testing hypotheses regarding the evolution of sex. With five known parthenogens and well-studied ecology, Timema walking-sticks are a useful system for studying these questions. Timema are mainly endemic to California and they exhibit the common pattern o...
متن کاملThe effect of walking sticks on balance in geriatric subjects
[Purpose] Guidelines and clarity regarding the information for deciding the need for walking sticks and the suitability of these sticks is insufficient. This study aimed to evaluate the suitability of walking stick and its effects on the balance in the elderly. [Subjects and Methods] A total of 39 elderly subjects aged between 65-95 years (mean age, 76.15 ± 8.35 years) and living in the Residen...
متن کاملFall Avoidance and Recovery for Bipedal Robots using Walking Sticks
For humanoid robots to replace humans in dangerous environments, they require a robust fall prevention system that can detect falls, prevent major damage and recover back up to continue on with the task. This paper introduces a system that is capable of fall detection, mitigation and recovery in a robot equipped with walking sticks. Walking sticks allow the humanoid robot to extend its support ...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1889
ISSN: 0036-8733
DOI: 10.1038/scientificamerican05111889-11139supp