Electromagnetic SpectrumHigh Fequencies - short waves |
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| TIME - Seconds | FREQUENCY-Hz | LENGTH - Meters | ENERGY - Electron Volts | TEMPERATURE Kelvins | |||
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Grand Unification Energy Cosmic Rays |
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| Highest Manmade
Energy |
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| Size of Proton | |||||||
| Gamma-rays | Baryon Mass |
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| Annihilation Radiation | Antimatter Production | Hydrogen Bomb |
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| Xrays | Size of Atom |
X-ray photons have energies in the range 100 eV to 100,000 eV (or 100 keV). | Core of Sun Lightening |
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| Ultraviolet - A few electron volts (eV) to a about 100 eV |
Size of Virus | Ultraviolet | Tungsten Vaporizes | ||||
Visible Light - |
1 um Size of Bacteria |
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| Government Regulated Radio Frequencies | Infrared Microwaves - are used by SETI to find messages that might have been sent by intelligent extraterrestrial life. They cannot use sound because it doesn't travel through the vacuum of space. Cosmic Background Radar TV 1GHz: Cellular FM Broadcast Shortwave 1MHz AM Broadcast LOWFER Omega Upper Range of Human Hearing - 20,480 Hz 10 times visual capacity |
1 um Size of Bacteria 1millimeter Only waves with certain frequencies (mainly microwaves) can get through the 'window in the atmosphere'. This window is from about 300 to 3,000,000 MHz, wavelengths from 1 m to 0.1 mm. 1meter Size of Human 1 Kilometer |
1 eV The heart produces the body's strongest electromagnetic field. The heart's electromagnetic energy can be measured anywhere on the surface of the body, and even a number of feet away from the body. |
Room Temperature Liquid Nitrogen Liquid Helium |
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| 1 Second Seismic Waves Proton Lifetime 1 Day Earth Rotation 1 Year Earth Orbit Solar Cycles Human Lifespan Geomagnetic Cycles |
Human Speech 1kHz Natural Radio Sferics AC Power Lower Range of Human Hearing 40Hz Schumann Resonance 1 Hz Schuler Resonance |
Size of Moon Size of Earth Size of Sun Orbit of Earth Orbit of Pluto 1 Light Year Size of Galaxy |
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| Age of Universe - somewhere between ten and twenty billion years. | |||||||
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? | ? | ? | ? | |||
| LOW FREQUENCIES - long waves. Diagrams of the Electromagnetic Spectrum usually use a logarithmic scale. The frequency bands increase in multiples rather than in a linear way. |
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