SCIENCE BLOG

Descriptive or Explanatory?

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 Our many recent posts on the electromagnetic spectrum have been long on description, but perhaps short on explanation. We explained some of the physical characteristics of…

Light Talk

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 In my childhood days I recall the anxious voice of my mother announcing to the family that a “long distance” call from an out-of-state relative had…

Subduing the Spectrum

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 Many people at or beyond retirement age fondly remember the excitement of mailing in 25 cents and a cereal box top, then waiting anxiously for the…

X-rays and Truth

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 One distant memory of my childhood involves visits to the shoe store. Many such establishments had shoe-fitting fluoroscopes. These machines sent X-rays through shoe, flesh, and…

Life Sustaining Flood

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 How do we react to a flood? Of course, it would depend on which type of flood we are talking about. I refer again to the…

Invisible but Real

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 Before discussing the reality of another portion of the invisible electromagnetic spectrum, I’ll ask my readers to join me on a field trip. Some of the…

And There Was Light

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 When we flip on a light switch, wonderful things happen. In a subjective sense, our path is illuminated and objects become visible. But in a scientific…

A Spectrum of Possibilities

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 Science terms or definitions are necessary, but knowing a definition and understanding a subject are sometimes not the same. With that disclaimer, I’ll offer this definition…

Timeline Trivia

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 One of my pastimes is personal family genealogical research. I enjoy pinpointing family events and connecting them with people and dates in history. Which family life…

Ubiquitous Radiant Energy

By Jim Virkler | September 29, 2014

By: Jim Virkler; ©2009 “Pulsing through our classroom walls and through your bodies at this very moment are hundreds of different forms of electromagnetic radiation! How are you feeling as…

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