radioactive carbon

Examples (10)

• Scientists use the decay of radioactive carbon to determine the age of ancient artifacts.
• Carbon-14 is a well-known isotope of radioactive carbon.
• Cosmic rays constantly create radioactive carbon in the upper atmosphere.
• All living organisms absorb a small amount of radioactive carbon from the environment during their lifetime.
• After an organism dies, the radioactive carbon within it begins to decay at a predictable rate.
• By measuring the remaining radioactive carbon, archaeologists can date organic materials accurately.
• The half-life of radioactive carbon limits its use to dating materials up to about 50,000 years old.
• The analysis of radioactive carbon in the ancient manuscript confirmed its medieval origins.
• Researchers are studying how levels of atmospheric radioactive carbon have fluctuated over centuries.
• The concentration of radioactive carbon in the sample was measured using accelerator mass spectrometry.