• Question: why do you test substances using soundwaves?

    Asked by clockworkangel1 to Nik on 10 Mar 2013.
    • Photo: Nik Watson

      Nik Watson answered on 10 Mar 2013:

      we use equipment similar to the ultrasound machines in hospitals used to scan pregnant women.
      What we use the soundwaves for is to look at the stucture of the food so we can check that they are ok for everyone to eat and dont have any thing in them that shouldnt be there.