If you compress a gas enough it will get hot enough to ignite. Google “fire pistons”.

youtube

They died by being crushed with enough pressure such that the air inside the sub ignited ie compressed so much it essentially exploded. Death was instant.

Less than 4 milliseconds. They didn’t feel a thing.

B2 on my iPad has made Safari worse - some sites seem to be rendering with a few problems.

I suspect the first beta was geared more to the core and subsequent versions will start adding changes which affect the user more directly.