convection

This suggests that powerful convection in the star's final years may have dredged up carbon from deep inside, enriching its surface and altering the type of dust it produced.

Bennett has turned to ChatGPT, which she refers to as “Chat,” to find vendors for a kitchen renovation project, compare heat pumps and weigh in on whether she should buy a convection oven.

As a planet cools from its surface downward, cold and denser material sinks, while blobs of hotter fluid rise like boiling water -- a process called convection.

The mountains trap hot air and circulate the heat like a convection oven.

Bush, for example, recently listed a Montague Co. convection oven for $9,500 — far below its original price of roughly $21,000.