Time Warp

 "Technology is a useful servant but a dangerous master." ~ Christian Lous Lange

It was 1972 or 1973.  I can't quite remember exactly.  It may have even been 1974, but I tend to think it was earlier.  I remember the moment quite vividly.  My mathematically-inclined brother walked into the house and held out something in his hand.  

"What's that?"

"It's called a calculator."

And so it goes, with time. 

Photo Credit: NASA