TEMPEST aura is a device for mapping the electromagnetic emanations of any electronic device. Any transition of an electric signal between on and off, between current and no current, will also transmit a burst of electromagnetic energy that can be intercepted by a receiver and in this way all of our information processing devices also leaks the information they process for anyone to eavesdrop. TEMPEST aura takes images, much like a scanner, of an electronic device you put on it's surface showing the aura of information and energy emanating from the device.
Tempest aura by Bengt Sjölén from Art Hack Day Stockholm from Olof Mathé on Vimeo.
