PBS6 年
Lawrence invents the cyclotron
Photo: Four-inch copper-encased cyclotron, one of Ernest Lawrence's ealiest models When Ernest Orlando Lawrence (1901-1958) got his PhD in physics, the hottest topic was bombarding the atom's ...
The San Fernando Valley Sun/el Sol Newspaper on MSN6 天
Suspect in Attack on 13-Year-Old Student to be Arraigned in February
The suspect in the assault of a 13-year-old Black student at Ernest Lawrence Middle School in Chatsworth was arrested earlier ...