Biology Asked on September 30, 2021
Recently I have just discovered that a certain amount of the mobile phone frequency can be absorbed by human tissues.
For example, this is the SAR info of iPhone 4s:
Head: 1.180 W/kg 1 g Body: 0.491 W/kg 1g Hotspot: 0.491 W/kg 1 g
http://en.wikipedia.org/wiki/IPhone_4S
so hotspot means a hot spot on human body right?
Then question is:
What are hot spots on human body?
Hot spots on the human body caused by cell phones are caused by the EMF/RF (ElectroMagnetic Frequency/Radio Frequency) emitted from the phones (or any mobile wireless device). (There is much conjecture about the safety of these frequencies and whatnot... That is not what I am here to talk about).
In this case, the term hot spot does not refer to you being a WiFi hot spot! It simply means that since the frequencies are similar to that of a microwave, you will absorb them and they will cause heating internally. These areas will remain warm for a time - whether you can feel it or not, some people can, some can't. Shown here is a thermal image of someone who recently used a cell phone and one who had not.
Answered by L.B. on September 30, 2021
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