Customs agents carry basic Geiger-counter-like devices in their shirt pockets to measure radiation exposure.

FORBES: Stopping Porta-Nukes

The GammaMaster watch has a handy built-in Geiger counter.

ECONOMIST: MONITOR

U.S. federal agencies are deploying new detectors that put the Geiger counter's 90-year-old technology to shame.

FORBES: Stopping porta-nukes

Now federal agencies are deploying new detectors that put the Geiger counter's 90-year-old technology to shame.

FORBES: Stopping Porta-Nukes

Andrew Ferguson, who manages Geiger Counter, a nuclear investment fund, reckons that more than 200 uranium-mining firms have listed on stockmarkets around the world in the past 18 months.

ECONOMIST: Uranium