99% Invisible

Nuts and Bolts

Share this episode
Anyone with this link can open it.
Share Link
Start at 0:00

This episode isn’t summarized yet

Create a free account and summarize it. In a few minutes you’ll have the key takeaways and a section-by-section summary.

Show notes

In her new book Nuts and Bolts: Seven Small Inventions That Changed the World (in a Big Way), structural engineer Roma Agrawal identifies and examines the seven of most basic building blocks of engineering that have shaped the modern world: the nail, the wheel, the spring, the lens, the magnet, the string, and the pump.

Click here to get the book! Available for pre-order at W. W. Norton in the US and Bookshop.org in the UK.

Nuts and Bolts

Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early.

Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.


Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Couldn't load the audio. A blocker may be stopping the show's tracking links. Open the file