Popular Mechanics has an interesting article online titled, “A Horrifying Look At When We Didn’t Know Asbestos Could Kill Us” (click for link)

Most fascinating is the video from 1942 extolling the wonders of this extremely useful substance.

 

Little did we know.

 

Makes you wonder what cutting edge materials we are using now that will one day be found to be extremely hazardous to our health.

 

It’s happened before, you know…