energy
Sonic Levitation – John Worrell Keely’s Weights-In-Jars Experiment – gsutton78
Sonic Levitation – John Worrell Keely’s Weights-In-Jars Experiment
History of Electricity with Kathy Joseph (Kathy Loves Physics) — EEVblog 1506
History of Electricity with Kathy Joseph
History of Cathode Ray Tubes with Kathy Joseph — EEVblog 1577
History of Cathode Ray Tubes with Kathy Joseph
How an Antenna Works — very good, general
How an Antenna Works