1. 
   IACT
   The IACT or Imaging Atmospheric Cherenkov Technique is the method whereby very high energy gamma-ray photons in the 50 GeV to 50 TeV range can be detected by ground based telescopes. There are currently four major ground based telescopes including CANGAROO III, MAGIC, HESS and VERITAS. Currently un...
   Found op http://en.wikipedia.org/wiki/IACT
   
   
2. 
   iact
   1) 'why do ... this way?'
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/iact/1
   
   

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