Ernest Rutherford ... discovered x-rays. Early on he found that all known radioactive elements emit two kinds of radiation: positively and negatively charged, or alpha and beta.

As part of an experiment with x-rays in 1909, Rutherford was shooting a beam of alpha particles (or alpha rays, emitted by the radioactive element radium) at a sheet of gold foil only 1/3000 of an ...

Manchester is the birthplace of nuclear physics and this year marks 100 years since Ernest ... Rutherford conducted many experiments at the University by bombarding nitrogen gas with alpha particles.

Ernest Rutherford came from New Zealand to study with JJ ... emitting characteristic radiations: alpha and beta particles and gamma rays. He received the Nobel Prize in Chemistry in 1908 while he was ...