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If both radio waves and gamma rays can travel through walls

Does it have anything to do with the materials used to build the wall? What determines if a material can absorb an (x) wavelength?

MadHatter
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Abdelrahman Esmat
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    Possibly related to http://physics.stackexchange.com/questions/6725/if-both-radio-waves-and-gamma-rays-can-travel-through-walls. You must also correct your "Imfrared"... – Waffle's Crazy Peanut Oct 14 '12 at 19:36
  • Sorry Abdel... But, Please see if there is any question related to you here, before posting it. And, Feel free to revise the question (for any other clearance), & flag it for moderator attention... – Waffle's Crazy Peanut Oct 14 '12 at 19:49

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