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.
It is the wave from the mobile phone that causes the headache. Due to the danger of the cell phone wave to our brain, using phones too much can cause a poor memory.Besides, the wave of cell phones is very strong so it can cause heart disease if we keep cell phone near our body, especially under the pillow while sleeping.AUSE AND EFFECT ESSAY: Effects of using mobile phone too much. The mobile phone is one of the greatest invention in 20 th century. We can not imagine how is our life without the mobile phone. It is an obvious truth that the mobile phone gives us benefits in some aspects of life.