Archive for September 24th, 2009

Smoke and a laser beam, for an ultra sensitive microphone!


The quest for an ever higher accuracy in capture and playback of sound has reached a new peak. Traditional microphones contain on their inside some diaphragms, with characteristics that may influence both the microphone’s sensitivity and the quality of sound output. The American scientist David Schwartz, inventor of the MP3 format, has introduced a new […]

Real time wireless city surveillance, at a low cost!


Until a few years ago, video surveillance systems could almost only be found in banks, museums, embassies and government institutions in general. In the most recent years though, because of the increasing number of terrorist threats and not only, surveillance cameras have become a common sight, as they are now vital in order to keep […]