By: Jim Virkler; ©2010 Most people are curious and fascinated about their birth and details of their early life. We want to know how we came to be, the circumstances…
By: Jim Virkler; ©2010 A rear-view mirror on an automobile enables the driver to view objects which are behind him in terms of physical location. In another sense the mirror…
By: Jim Virkler; ©2009 Picture several scientists at a New Year’s Eve social gathering. They would provoke amusement among the guests by wishing them “Happy Arrow of Time” instead of…
By: Jim Virkler; ©2009 To titillate their readers, science fiction writers often use the idea of time travel to the past or future. Examples abound, as popular past TV shows…
By: Jim Virkler; ©2009 As each new year approaches we become more contemplative, curious, and sentimental about the subject of time. Greetings cards from friends and family frequently contain expressions…
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…
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…
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…
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…
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…