The Science Behind Double-Walled Tumblers: How They Keep Your Drinks Hot or Cold for Hours

The Science Behind Double-Walled Tumblers: How They Keep Your Drinks Hot or Cold for Hours

Ever wished your coffee stayed steaming hot for the entire commute, or that your iced tea remained refreshingly chilled on a scorching afternoon? Double-walled tumblers are the answer! These seemingly simple containers utilize the principles of thermodynamics to defy expectations, keeping your beverages at their ideal temperature for extended periods. But how exactly does this…