Arthur T. Johnson is Professor Emeritus in Bioengineering at the University of Maryland and now a grower of organic fruit on his 49 acre farm. He is the author of four books, 150 peer-reviewed publications, and numerous essays. He has held leadership positions in ten different local, national, and international organizations, and is Fellow of seven professional societies, including IEEE.
The world is facing a challenge of population growth that carries with it the need to provide all those extra people with sustenance. The human population of the earth currently has an annual growth rate of 1.2%; if that continues, humanity will double in number every 60 years.
Courage is uncommon. It is not the determination to exact revenge or to react with a fear imposed by others, but the ability to persevere on your own despite external events. It is neither denial nor is it unawareness; courage is vigilant and prudent. It is quiet but attentive.
Some call it the five-second rule, some extend that to five minutes, and some don’t care. This is the amount of time…
Shopping is not my favorite activity, but when I do have that opportunity, usually when on vacation, I often find myself in shops catering to tourists. Of course, the shop proprietors have filled their shelves with arts and crafts that are cute, attractive, and generally very appealing.
Isaac Asimov, the celebrated science fiction writer, once wrote an essay about creativity . The truly creative mind, he wrote, is one that makes new connections between previously separated concepts. This new connection can only come from the mind of an isolated individual; a new
Once within my research meeting, while my thoughts were weak and fleeting
In a local survey of Harford County, Maryland, public school teachers, 90% of the approximately 630 respondents indicated that they did not feel valued and respected by the school system
It has been said that the Stone Age did not end because ancient humans ran out of stones. No, the key was that new technologies allowed them to advance to something better: first copper, next bronze, and then steel
Since 2008, the solar-generating capacity in the United States has increased by 1,200%, and the Johnson household is now one more. Last spring, we had solar panels installed on the roof of our house. Since then, sunny days have more meaning than before
Discrimination seems to be an intrinsic trait inherent in our very being. We, as people, seem to be disposed to discriminate either for or against those who, for one reason or another, are unlike us. This dissimilarity may be recognized in speech, dress, comportment, age, or a host of other