Tuesday, May 4, 2010
Ash again
Ash closes travel by air. It is more woe for the europeans. Volcano in iceland is active again. This prediction did not need an HDR. We could see it was coming.
Steven Gibbs built his sonic resonator in 1981 when he live in Nebraska. This gadget known as the sonic resonator was his first precursor to his later HDR unit that he was able to invent in 1985.
Labels:
ash,
HDR,
sonic resonator
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