99% Invisible Dear Hank and John and Roman
Mar 30, 2022
Roman Mars, the charismatic host behind '99% Invisible', joins John and Hank Green for a delightful exploration of life's quirks. They ponder whimsical questions like why we don't have mouth Roombas and the first item ever bought online. The conversation glides through the complexities of urban design and the peculiarities of packing for travel. Mars shares insights into architecture and the significance of Twitter, blending humor and nostalgia throughout their banter, making it a rich and engaging experience.
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Toothbrush Roomba?
- Consider a mouth guard attached to a wand that vibrates.
- This design cleans teeth more efficiently than traditional brushing.
Toothbrush Design Evolution
- Toothbrush design has evolved significantly, influenced by ergonomics and even bathroom fixtures.
- The fat-handled toothbrush, a seemingly simple change, faced resistance due to pre-existing toothbrush holders.
Intergalactic Space
- Intergalactic space, while mostly empty, contains sparse particles like hydrogen ions.
- Rogue stars and planets exist outside galaxies, creating star systems with no visible stars.