Causes of Radiation Pollution. The radiation pollution causes are various human activities, that add to natural radiation background (radiation produced everywhere in the Universe in absence of human activities).
You do not need to have any witnesses or have it notarized, but you can do both if you want. Your holographic will should include: 1  your full name and any other names you have used, 2  your place of residence, 3  a statement that the document is your will,  your marital status,
A thick or volume hologram is one where the thickness of the recording medium is greater than the spacing of the interference pattern. The recorded hologram is now a three dimensional structure, and it can be shown that incident light is diffracted by the grating only at a particular angle, known as the Bragg angle.