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HISTORY129 - Personal Mobility Aids

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About a year ago, Pat and I moved to a retirement community, where many of our new friends and neighbors use personal mobility aids like the one shown below.   It’s impressive how they “get around” and can maintain a full lifestyle.  I thought it would be interesting to research and write about the history of the various mobility aid devices that they are using so successfully.   After a short introduction, I will discuss the history of personal mobility aids in four time periods: Pre-17 th Century: Ancient & Early Personal Mobility Aids, 17 th - 19 th Centuries: Self-Propulsion & Comfort, 20 th Century: Variety, Practicality & Power, and 21 st Century: Smart Technology & Advanced Mobility .   I will close with a look at the future of personal mobility aids. As usual, I will list my principal sources at the end.   Introduction A personal mobility aid helps people get around safely, assisting people with impaired movement. ...
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SCIENCE31 - Understanding Our Habits

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  Pat is on a hot streak suggesting topics for my blog.   This time it’s all about our habits.     After a short introduction defining habits, I will give examples of both good and bad habits - to set the stage for understanding where habits come from and how to change them.   Next, I will discuss how our current habits formed, how to break bad habits, and how to build new habits. Note:   Guidance or suggestions made in this article are collected from many sources that I consider reputable.   But you must decide what sounds reasonable and works for you. As usual, I will list my principal sources at the end.   Introduction A  habit  is a routine of behavior (good or bad), formed through repetition,  that is repeated regularly and tends to occur subconsciously, shaping our identity.   Habits can form without our intending to acquire them, but they can also be deliberately cultivated - or eliminated - to b...
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