99% Details
99% Details  
Podcast: 99% Invisible
Published On: Fri Sep 24 2010
Description: It’s a stick with bristles poking out of it. It doesn’t even qualify as a simple machine, but the careful thought and design that went into the creation of the modern, angled bristle, fat handled toothbrush shows just how much … Continue reading → Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to ad-free new episodes and get exclusive access to bonus content.