iCandy: Checking Things Out

A space telescope's mirror array, a liquid scanner at airports, and a body-mounted video camera are among the tools for examining what's around us

1 min read

Photo: Chen Xiaowei/Xinhua/eyevine/Redux
A staffer at the Centre for Food Safety in Hong Kong scans vegetables imported from Japan to verify that they have not been contaminated by radiation emitted by the reactors at the Fukushima nuclear power plant. The Hong Kong government has done spot checks for radiation in Japanese food products since the day after an earthquake and tsunami set off a nuclear emergency.

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