The air around you is holding water you cannot see, and the amount it can hold depends almost entirely on temperature. Cool it enough and the water has to go…
The shaft is not holding the canopy up. A sliding collar pushes struts outward, those push the ribs out, and the fabric between them is stretched tight - which is…
There is a category of discovery that arrives sideways, as the residue of an argument about something else entirely.
The argument concerned whether a space containing nothing could exist. The…
Two facts explain most of this: freezing requires a starting point, and water vapour can turn directly to ice without becoming liquid first. Here are twelve consequences.
1. Freezing Needs…
There is a problem in measurement that comes up whenever something matters and cannot be instrumented reliably.
The problem is that a quantity may be important, variable and consequential while…
There is a common assumption that a hot place is hot and a cold place is cold, and that a location is one or the other.
Deserts break that assumption…