Bumpy torusW
Bumpy torus
Crab cavityW
Crab cavity
Earthlight (astronomy)W
Earthlight (astronomy)
Electromagnetic pumpW
Electromagnetic pump
Force field (physics)W
Force field (physics)
Nonlinear X-waveW
Nonlinear X-wave
Rating (electrical)W
Rating (electrical)
Reciprocating electric motorW
Reciprocating electric motor
Spectral signatureW
Spectral signature
Tunnel junctionW
Tunnel junction
Vibrating-sample magnetometerW
Vibrating-sample magnetometer
Wien filterW
Wien filter