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.
What is a Watch Phone and How does it work? What is a Watch Phone? * A Cell Phone designed and styled like a watch. * Also called a ccell phone watch, cell phone wrist watch, mobile phone watch. * Makes and receives voice calls. * Works with T-Mobile and AT&T SIM card in USA. (Operates on GSM network worldwide. Just insert SIM.) * 3G Watches is the leading Global Cell Phone Watch Retailer.