Share to: /   The Chinese make light Work of Payment: The Invention of Paper Money   / Around 650 AD, the emperor of China began to issue paper value tokens for general use.
Answer: No. Mobile phones do not give off sub-atomic (ionizing)  radiation.    Answer: Yes. Mobile phones emit microwave (millimeter to  centimeter range) electro-mag â¦ netic radiation, mostly at frequencies  from 800 to 1800 MHz (1.8 GHz).This is below infrared.nswer: No. Mobile phones do not give off sub-atomic (ionizing)  radiation.    Answer: Yes. Mobile phones emit microwave (millimeter to  centimeter range) electro-mag â¦ netic radiation, mostly at frequencies  from 800 to 1800 MHz (1.8 GHz). This is below infrared.
When a phone is on and not in use, it send outs an intermittent signal to connect with nearby cell phone towers. The phoneâs âcheck inâ communication with the tower is significantly lower than the level of radiation used for actual conversation, but it never falls to zero.hen a phone is on and not in use, it send outs an intermittent signal to connect with nearby cell phone towers. The phoneâs âcheck inâ communication with the tower is significantly lower than the level of radiation used for actual conversation, but it never falls to zero.