Japan's meteorological agency reported one good sign. It said the prevailing wind in the area of the stricken plant was heading east into the Pacific, which would help carry away any radiation.

Japan's meteorological agency reported one good sign.It said the prevailing wind in the area of the stricken plant was heading east into the Pacific, which would help carry away any radiation.

The Japanese space agency, JAXA, is actually testing the idea, using special heat-resistant paper, another of Toda's plane designs, and a Mach 7 wind tunnel.