6 min listen
How Jackhammers Work
ratings:
Length:
30 minutes
Released:
Feb 16, 2016
Format:
Podcast episode
Description
It's likely that without the invention of the pneumatic jackhammer, the Industrial Revolution wouldn't have hummed along quite so smoothly. Certainly a lot more trains would go around mountains than through them. Learn about this essential tool here. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers
Released:
Feb 16, 2016
Format:
Podcast episode
Titles in the series (100)
How Lame Ducks Work: In U.S. politics, a lame duck is a president who will not be re-elected because he or she has been passed over for election, or already served the maximum two terms. Learn more about the origin of lame duck presidents in this HowStuffWorks podcast. by Stuff You Should Know