Low noise optical receivers

the paper describes low noise first stage optical receivers.Analysis of operating conditions affecting signal-to-noise ratio has been carried out.Each preamplifier was carefully optimised to work with particular type of the detector

Strategies in Increasing Smoke Alarm Compliance

This project, delivered to the Metropolitan Fire Brigade, Melbourne, Australia, developed strategies to improve compliance with legislation requiring household smoke alarms. Research, interviews, and analysis of fire statistics identified several at-risk groups. Current community education programming was compared to similar programs worldwide. Enforcing legislation was found to be effective in raising compliance. The team identified productive partnerships to reach groups at risk, identified internal organizational barriers, and framed guidelines for the design of educational programs