In a properly designed DXA facility with an adequate room size, the radiation levels in adjoining rooms will be at a level acceptable for members of the public. Typically no additional shielding is ...

An curved arrow pointing right. Engineers at Japan's Fukushima nuclear power plant have designed an "ice wall" to stop the spread of radiation into the groundwater. Produced by Maya Dangerfield.

So to combat that, they wear white suits that reflect the sun's harmful radiation. It's just like how painting a wall white keeps the room cooler than a dark color because lighter paint absorbs 35 ...