Why do we not use copper for coins?
I'm wondering why copper isn't used for making coins. Is it because of its cost, durability, or some other reason? I'd like to understand the reasons behind this choice of material.
Who should not use kava?
I'm wondering who should avoid using kava. Is it not suitable for certain groups of people due to its effects or possible interactions with other substances?
Who should not use vibration therapy?
I'm wondering who should avoid using vibration therapy. Is it SAFE for everyone or are there specific groups of people who should not use it due to health reasons or other factors?
When and when not to use HDR?
I'm trying to understand when it's appropriate to use HDR photography and when it's not. I want to know the scenarios where HDR really shines and also the situations where it might not be the best choice.
Why do people not use blockchain?
I'm curious about why blockchain technology, despite its potential and the hype around it, hasn't been widely adopted by the general public or even businesses. What are the possible reasons for this lack of widespread use?