An effect sometimes named for this man was believed to be caused by the release of thermions until the later discovery of the electron. For 10 points each:
[10m] Name this American scientist who anonymously founded Science magazine and got the first patent for carbon microphones.
ANSWER: Thomas Edison [or Thomas Alva Edison]
[10h] The Edison effect or thermionic emission results in the phenomena of space charge which is modeled by an equation named for Child and this scientist. This scientist’s waves are an alternate term for plasma oscillations.
ANSWER: Irving Langmuir
[10e] The vacuum diode in the basic form of the Child-Langmuir law consists of an anode and this positively charged counterpart, to which the electrons in a space charge flow.
ANSWER: cathode
<Benjamin McAvoy-Bickford, Physics>