In fact, an alpha particle really is a nucleus-it's the same as the nucleus of a common atom of helium-but it doesn't have any electrons around it, and it's traveling very fast. Alpha particles are a type of ionizing radiation. To describe the production of alpha particles, we have to define radioactive decay.
Kingsburg Swedish Festival, which is the biggest and most known festivals that bring people in from all over the country, is held annually during the third weekend in May. Activities include a Swedish pancake breakfast, a parade and the coronation of the Swedish Festival Queen.
In mid-June, school is out and nature has burst into life. It seems like the sun never sets. In fact, in the north of Sweden it doesnât, and in the south only for an hour or two. This calls for celebration! Friends and family gather for the most typically Swedish tradition of all: Midsummer.