Abstract: A resonator includes a body, the body having a planar surface. An aperture through the body is configured to receive a tube configured for a fluid to be tested. A gap extends into the body from the planar surface to the aperture. At least one cut extends through the body from the planar surface towards the aperture. The at least one cut extends across the gap.

Abstract: A cellular phone having means for streaming and storing audio, video and photographic data at a remote host for the purposes of personal security and surveillance is disclosed. A cellular phone having a camera, a microphone, a panic trigger, and means for communicating with a wireless network may be used to capture and stream audio, video and photographic data to at least one host of the wireless network. The host may simultaneously provide live streaming audio, video and photographic data to anyone granted access to the host and remotely store the data for future access. Methods and systems for enabling a cellular phone to stream and remotely store captured audio, video and photographic data are also disclosed.