advection
You can do worse than watching paint dry - ask physics
Paint dries differently from the way water does, with more intricacies and intrigue.
advection
Paint dries differently from the way water does, with more intricacies and intrigue.
alcohol
Most of the shops I visit to purchase my supplies dispense an alcohol-based hand-sanitiser at the point of entry and have a person stationed there to check customers’ body temperature with a contactless thermal gun. They used to point the gun at the forehead but of late many of them