Here are the reasons why one might (at any age) go to see an ob/gyn or midwife: 1  To get birth control. 2  To have STI testing -- if you're experiencing symptoms, or you've had unprotected sex, you should probably have some STI tests done.
A: Gamma rays are used in many different ways; one of the most common uses is inspecting castings and welds for defects that are not visible to the naked eye. Another common use of gamma rays is in the treatment of certain types of cancer.
A gamma ray is the shortest wavelength and highest energy electromagnetic radiation on the spectrum; it's at the very top. A gamma ray begins moving the instant it is created.â¦ And it moves at the speed of light (for the medium in which it is traveling). It continues this way until it runs into something and bounces off in an event we call scattering. The gamma ray may or may not lose energy in this scattering event.