It is based on measurement of the product of the radioactive decay of an isotope of potassium (K) into argon (Ar).Potassium is a common element found in many materials, such as micas, clay minerals, tephra, and evaporites.Geologists have a much harder job keeping track of time.Studying the Earth and its evolution, they work with time scales of thousands to billions of years.Where can they find a clock to measure these huge time periods?Or on a slightly smaller scale, where can paleontologists find a clock to tell the age of fossils, or how can archeologists determine how old ancient pottery and buried artifacts are? They are mostly empty space with a denser tiny area called the nucleus and a cloud of electrons surrounding the nucleus.
Nevertheless, there is substantial evidence that the Earth and the other bodies of the Solar System are 4.5-4.6 billion years old, and that the Milky Way Galaxy and the Universe are older still.Usually they will ask you to send them money using methods that are virtually impossible to trace, so be extra careful when your new virtual date suggests a wire transfer via Moneygram or Western Union. There are lots of things you can do to protect yourself from fake online daters and many signs that can indicate you are being a victim of this type of scam.These methods are untraceable, irreversible and they don’t offer the sender any legal protection against fraud – a big no – no. So, if your online date sends you a picture that looks out of a magazine cover, it probably is! Charlie Stelle, have been researching the landscape and found that people over 60 represent the most rapidly growing demographic in online dating.You can read an article about the ongoing study by clicking here.