How It’s Made: Spiral Stairs

Video
Spiral stairs were once part of a strategy to defend the towers of medieval castles. See how they’re made today!

Stream Full Episodes of How It’s Made:
https://www.sciencechannel.com/tv-shows/how-its-made/

Subscribe to Science Channel:
http://bit.ly/SubscribeScience

Like us on Facebook:
https://www.facebook.com/ScienceChannel

Follow us on Twitter:

Follow us on Instagram:
https://www.instagram.com/ScienceChannel/

Products You May Like

Articles You May Like

The Fascinating Life of Eels, Which Breed Only During Their Last Year of Life
Trump says Microsoft should pay ‘key money’ to Treasury for facilitating TikTok deal
Tech competitors are ‘blown away’ by Congress’ CEO grilling and hopeful for antitrust reform
Open Cosmos selected to build Spanish smallsat constellation
Magnitude 4.2 Earthquake Jolts Southern California

Leave a Reply

Your email address will not be published. Required fields are marked *