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Echoes reveal the shape of a room

echoes room shape bats microphones

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#1    Still Waters

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Posted 18 June 2013 - 12:03 PM

The shape of a room can be modelled using echoes produced from sound, new research has found.

Like bats who emit sounds in order to navigate, researchers can now plug sounds into a computer algorithm to map a room.

The team were able to build a full 3D image of a room using four microphones to record echoes bouncing off walls.

Writing in the journal PNAS, the researchers say the technology could one day help solve crime.

http://www.bbc.co.uk...onment-22941278

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#2    Collateral Damage

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Posted 20 June 2013 - 08:39 PM

An amazing mind and technology never ceases to amaze me.

Edited by Collateral Damage, 20 June 2013 - 08:39 PM.

Undated letter by President J.F.K. said:

   "War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today."

  "The nation which forgets its defenders will be itself forgotten."





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