Uses of radiation in radioactive dating who is anne hathaway currently dating
Many people still cling to a different notion, despite the scientific evidence.
The radiation emitted by some radioactive substances can be used to kill microorganisms on a variety of foodstuffs, extending the shelf life of these products.
Iodine-131 has a half-life of only 8 d, so the potential for damage due to exposure is minimal.
If half of the uranium has decayed, then the rock has an age of one half-life of uranium-235, or about 4.5 × 10 y.
One excellent example of this is the use of carbon-14 to determine the steps involved in photosynthesis in plants.
We know these steps because researchers followed the progress of carbon-14 throughout the process.
In another interesting example of radioactive dating, hydrogen-3 dating has been used to verify the stated vintages of some old fine wines.
One isotope, carbon-14, is particularly useful in determining the age of once-living artifacts.