Hertz Planck Einstein

In Section 2 of ideas to implementation we look at how the radio oscillator discovered by Hertz lead to an understanding of the photoelectric effect its implementation in the Phototube that converts light levels to current.

Hertz discovered that a rapidly changing electric field of an antenna transmits energy through space.
He proved that this was light through speed and optics measurements
His oscillator was known as a Hertz Linear Oscillator
Hot objects were known to emmit light that relied solely on their temperature.
The quest was on find out how HLOs model and a single variable T would give the Black Body radiation spectrum.
A black body radiator is defined as absorbing all light that falls on it, reflecting none. Therefore all its light is produced inside the volume of the object.
Planck considered an "Ensemble" of HLOs as a model of a BBR spectrum.
A spectrum is a graph of how much light is produced at each frequency.
An ensemble means considering all possible HLO,
low fequency ones are large so there are fewer, high frequency ones are smaller and more numerous.
The high frequency one were missing.
Planck had a mathematical insight of Energy Quanta he also called "free rooms of action".
Many people think that this means there is discrete energy jumps, however Planck described the modern concept of a wave packet mathematically.
Einstein gave a physical interpretation to Energy Quanta of light by describing a Photon.
The low frequency end fitted, however