The Glass May Be Half Full

So much misery in the world, at least as the newspapers report (there is less violence and poverty than 10/20/30 years ago but whatever), and much fear of the apocalypse.  But then we have this:


I had scoffed at 3D printing, having no clue about its potential.  I still don't understand it--what goes in the machine?  But if it can do stuff like this, and other things I have seen lately, well, we live in a pretty amazing time.  Of course, this is probably all just a diversion by the intelligent computers....  this video provides quite a shot of perspective sauce to start the day.