LITTLE ROCK -- At issue are glow-in-the-dark signs that contain tritium, a hydrogen isotope with a radioactive strength similar to that of material in many smoke alarms. The Nuclear Regulatory ...
Federal officials plan to post warning signs along a contaminated suburban St. Louis creek where generations of children were exposed to radioactive material. Coldwater Creek, which winds between ...
(Reuters) - Countries around the world have either banned or stepped up tests on imports from quake-stricken Japan after radioactive substances were found in its food and water following blasts at a ...
WASHINGTON (CN) - Tritium "EXIT" signs, which have tubes that glow in the dark for up to twenty years without electricity or batteries, are radioactive and should not go in the regular trash when ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results