You've all heard the metaphor, right? Boiling a frog? Gradually
increasing the temperature of the water so the frog gets used to it
until it's hot enough to boil? Yes, that one. Apart from the sad
conclusion of the analogy, the idea of gradual change not being very
noticeable fits the way that accelerating technological change will be
accepted by humans.
4 science lessons that could get a teacher fired instantly.
"However, distilled water has no such minerals, and if you put it in a relatively smooth container and stick it in the microwave, the water can be heated beyond the normal boiling point and will remain perfectly still.
Then, you toss in an object in and watch it explode"