Caption: When large reservoirs are connected by very narrow and long channels, the liquid in each reservoir acts independently of the liquid in adjacent reservoirs. In the microworld, the physics is ...

Department of Homeland Security Secretary Kristi Noem on Wednesday hinted at changes to airport security liquid container size regulations. At the Hill Nation Summit, Noem said the size of liquid ...

Department of Homeland Security (DHS) Secretary Kristi Noem teased Wednesday that changes could be coming to the size of liquid containers allowed for passengers boarding flights in the United States.

For nearly 20 years, U.S. airline passengers have been restricted to carrying liquids in containers no larger than 3.4 ounces (100 ml), placed inside a quart-size clear plastic bag. This rule, ...

New technology and policy shifts may let travelers bring larger liquid containers through checkpoints. The Department of Homeland Security (DHS) is evaluating whether to increase the volume of liquids ...