Radioactive things that are in almost every home
• Radioactive things that are almost in every house
According to the NRC, approximately half of the radiation with which we face every year, coming from the background radiation - avoid it is not no one on Earth. You do not need to approach the nuclear power plant or days to stand in the x-ray machine to receive a dose of radiation. It, and so you get every day of the most common items that have a home for everyone. Here, for example, five of the most common things you irradiating radiation right now.
Some household smoke detectors use a small amount of the radioactive isotope americium-241 - it was he who controls the presence of smoke in the air. The material is securely isolated ceramic and foil, but to disassemble the detector is still not worth it.
Granite in natural form contains uranium and thorium, since these elements have in magma. But the real problem - the radon gas, which eventually dissolves uranium. Broken granite countertops is better to throw out of the house.
Cigarettes are dangerous not only the chemical additives, which smokers are warning labels on packs. tobacco shoots absorb radioactive elements such as radium, lead-210 and polonium-210 from some fertilizers used in crops.
It's funny, but useful Bananas are in fact one of the most radioactive products because they contain the isotope potassium-40. Each eaten your banana in addition to benefits gives you even a small dose of radiation.
filler cat litter
Friendly cat litter seems such only at first glance. It turns out that the production of this product is used bentonite clay - volcanic ash, formed thousands of years ago. In it, as in granite products, contains uranium and thorium.