How is convection used in paragliding?

Convection is just heat transfer by creating currents to move the heat around from a source to where the heat is wanted. This occurs for instance in an oven during cooking, or from radiators in a...

The convection slowly rotates the hotter parts of the mantle closer to the crust and the colder parts to the core and this is a continues cycle.

Yes, butter paper is a term for making paper oil resistant. It is standard cellulose paper with a process called "parchmentising" that melts the cellulose into a gel state making the normally long...

Hot air rises because it occupies a greater volume per unit mass of air than cooler air, this makes it less dense. A hot air balloons fire generates hot air which floats inside the balloon, causing...

yes