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This is Part One of a two-part look at the 20th-century population bomb and the fallout from it. What do I mean?
I was born and grew up during the most explosive growth in population since Homo Sapiens first appeared. In 1949, on my birth date, the world’s population was 2.3 billion. Today it is 8.3 billion.
Doesn’t this number make you think that there may be f...
Please welcome back Harper Lane, who is becoming a regular contributor to the 21st Century Tech Blog. She submitted this article, which addresses a very personal topic.
At age 77, I am one of the seniors who personally monitors my health using technology. Kardiamobile checks my heart rhythm. I have a home blood pressure cuff, a pulse oximeter, and even a ...
The newest guest contributor to The 21st Century Tech Blog is Lila Warren. Lila is a freelance writer interested in a wide range of technology subjects, including artificial intelligence (AI). Starting a new business at any time is both an adventure and a challenge. At this time, however, AI adds a whole new dimension to beginning a business.
AI repe...
When Michael Crichton wrote his Jurassic Park novels in the late 1980s and early 90s, our collective wisdom about deoxyribonucleic acid (DNA), the molecule of life here on Earth, was still in its infancy.
DNA was only first discovered in 1869, with its structure only figured out in 1953. In 1990, the same year that Jurassic Park was published,...
In my lifetime, besides blowing bubbles, I have lived through three economic periods called bubbles. Like the bubbles I shake and blow for my granddaughter, these floating spheres never last very long. The same can be said about economic bubbles. They get big and then burst. Did economic bubbles happen before the onset of capitalism? It turns out the answer is yes.
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