Henrich Hertz discovered UHF waves through a series of experiments in the late 1800s. He used a spark gap transmitter and a loop antenna to create and detect electromagnetic waves in the ultra high frequency range.
Hertz used a spark gap transmitter, a loop antenna, and a Leyden jar (a device for storing electrical energy) to measure UHF waves. He also used a spark gap detector to detect the waves.
Hertz used a measuring device called a resonant circuit to determine the wavelength of UHF waves. This circuit consisted of two metal rods with a small gap between them, and he adjusted the distance between the rods until the circuit was in resonance with the UHF waves. The distance between the rods was then used to calculate the wavelength.
Hertz's experiments with UHF waves were significant because they provided strong evidence for the existence of electromagnetic waves. His discoveries also paved the way for the development of wireless communication technologies, including radio, television, and eventually, modern cell phones.
Hertz's work had a significant impact on the field of science, particularly in the study of electromagnetism. His experiments helped to confirm the existence of electromagnetic waves and their properties, which led to further research and advancements in the field. His work also laid the foundation for the development of various technologies that rely on electromagnetic waves, such as wireless communication, radar, and satellite communication.