![usability - Why do showers have "hot" and "cold" knobs rather than " temperature" and "quantity" knobs? - User Experience Stack Exchange usability - Why do showers have "hot" and "cold" knobs rather than " temperature" and "quantity" knobs? - User Experience Stack Exchange](https://i.stack.imgur.com/eMHYu.png)
usability - Why do showers have "hot" and "cold" knobs rather than " temperature" and "quantity" knobs? - User Experience Stack Exchange
![DoctorTro on Twitter: "Cold water temperature in NYC suburbs are 35F (3C)... makes for an excellent cold shower. I remember starting with this, now I take my whole shower cold. https://t.co/jSbYAcMoIT" / DoctorTro on Twitter: "Cold water temperature in NYC suburbs are 35F (3C)... makes for an excellent cold shower. I remember starting with this, now I take my whole shower cold. https://t.co/jSbYAcMoIT" /](https://pbs.twimg.com/media/DR6tKu0UEAAR0SA.jpg)
DoctorTro on Twitter: "Cold water temperature in NYC suburbs are 35F (3C)... makes for an excellent cold shower. I remember starting with this, now I take my whole shower cold. https://t.co/jSbYAcMoIT" /
![A year of cold showers. TL-DR; For the past 365 days, I have… | by Patrice D. | Mission.org | Medium A year of cold showers. TL-DR; For the past 365 days, I have… | by Patrice D. | Mission.org | Medium](https://miro.medium.com/max/629/1*HL1jcm6OC6wZ6_lXSIoyvA.jpeg)