CONTENTS. After a radioactive nucleus undergoes an isobaric transition (beta emission, positron emission, or electron capture), it usually contains too much energy to be in its final stable or daughter state. Nuclei in these intermediate and final states are isomers, since they have the same atomic and mass numbers.
In the fall, it was widely reported that people from four U.S. states may need a passport to fly domestically this year. Now, the Department of Homeland Security has increased the list of U.S. locations not offering state driverâs licenses that comply with new federal regulations known as the Real ID Act.
1 Marijuana is not allowed in the secure areas of the airport. 2  The US federal government does not allow marijuana on airliners, either in carry-on bags, checked luggage, or cargo. 3  Passengers are not allowed to carry marijuana and related products into or out of the US. In addition, some airports may ban the use or possession of marijuana in all parts of the airport. 2  You can't fly with marijuana: The federal government bans marijuana, even medical marijuana, on aircraft, whether in a carry-on item, in checked bags, or in any package being shipped by air.