A sketch for lecture about influence of non-ionizing radiation on human body. Some fundamental physical and biological principles explained. Simple-term discussion is making hard matter easy to understand.

1. Igor Yanyutin
2014

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• Magnetism is a collection of phenomena related to creation and
existence of magnetic particles or/and fields.

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• Electricity is collection of phenomena related to creation and
existence of electric charge.
Experiment with balloon

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Experiment with thread and slinky
S-wave (shear) P-wave (pressure)
Vertical Horizontal

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Experiment with bottle

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Experiment with CD

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Experiment with coil

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Comparison of area
covered by Radio waves
More power
Greater distance,
Larger area

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Escaping microwave
power 1W
Cell phone
transmitting at full
power 1W
Bluetooth headset
0.1 W
Wi-Fi Access Point
0.25 W
Cellular base stations for comparison
from previous slide
Comparison of area
covered by Radio waves
More power
Greater distance,
Larger area

15. Source of radiation Radiating voltage
Ultra high voltage line 25 000 V
Radio station 100 kW 2 200 V
Big base station 100 W 70 V
Cell phone 1 W 7 V
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Inverse-square law

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