U.K. airports

The 3-1-1 liquid rule that we have in the United States is similar to the liquid rules that are in place in the rest of the world. The one big …

The Transportation Security Administration (TSA) has been enforcing what is known as “3-1-1 for carry-ons” for years. Under this rule, travelers can carry liquids in containers of 3.4 ounces (100 …