Hot & Muggy Batteries

You might have noticed that arid environments make it easy to build up static electricity, and you might recall that Ben Franklin pulled some power from a thunderstorm with his kite experiment. Did you know that high humidity and the right metal combination can result in a battery? People have been thinking about this effectContinue reading “Hot & Muggy Batteries”

Antibacterial Laser Tattoos

OK … not really, but yeah sort of. Researchers at Purdue University transform regular copper (Cu) into laser-textured copper (LT-Cu) capable of killing a number of bacterial strains including MRSA in anywhere from 40 to 120 minutes. The short story on this technique is that the laser etches micron (one thousandth of a millimeter) andContinue reading “Antibacterial Laser Tattoos”

I Can’t Get NO INTERaction

So … COVID-19 hits the scene and stuff happens. The plight of Professors forced to move everything online for the indefinite future might go something like this. My apologies to the Rolling Stones for the parody of their most excellent song otherwise known as “(I Can’t Get No) Satisfaction”. I can’t get no INTERaction IContinue reading “I Can’t Get NO INTERaction”

Meaning | Values | Purpose

What brings meaning (significance) to life?  I would argue that the intrinsic worth of a person is the bedrock upon which significance can be objectively grounded.  By intrinsic worth, I mean the Imago Dei that we each possess because God decided to create that way.  You do not need to be a theist to appreciateContinue reading “Meaning | Values | Purpose”

Just WHAT are you referring to?

THE tragic failure of mathematics education in the United States is the absence of referents for the symbols that get shoved around by the seemingly mindless rules.  A more concise way to say this is mathematics is taught as though the symbols refer to themselves rather than to quantities or processes.  The Mathematician will scoff atContinue reading “Just WHAT are you referring to?”