Nuclear and radioactive dirty bombs are among the high risks threats from terrorists today. Therefore, it is essential for countries to prepare their Homeland Defense / First Responders and Military. However, there is very little being done for the general public. Here we focus on the techniques for developing low cost, high performance, easy-to-use and easy-to-interpret devices for the general public. Following are examples of some of these devices:

> Miniature "NUKE" for personal nuke safeguard
> Nuke I.D. Card for non-radiation workers
> BEQ Meter for periodically checking food and drink contamination
> Gamma camera for locating hidden radiation sources

All these instruments are based on advanced solid-state radiation detector technologies and electronics. Details of the unique characteristics of each device will be given during the presentation.

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