The radiocarbon dating method is based on the fact that radiocarbon is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.The resulting radiocarbon combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants by photosynthesis; animals then acquire in a sample from a dead plant or animal such as a piece of wood or a fragment of bone provides information that can be used to calculate when the animal or plant died.The older a sample is, the less (the period of time after which half of a given sample will have decayed) is about 5,730 years, the oldest dates that can be reliably measured by radiocarbon dating are around 50,000 years ago, although special preparation methods occasionally permit dating of older samples.
Research has been ongoing since the 1960s to determine what the proportion of in the atmosphere has been over the past fifty thousand years.
The resulting data, in the form of a calibration curve, is now used to convert a given measurement of radiocarbon in a sample into an estimate of the sample's calendar age.
Other corrections must be made to account for the proportion of throughout the biosphere (reservoir effects).
Obviously, the more people you are willing to date, the more dates you'll get. Would be comfortable dating one of your younger sister's friends? You won't, of course, have to encounter the awkwardness of either of those situations in your dating life, but your comfort level when considering such options will give you a sense of how old or young you're willing to go. Remember that there are "young" 37-year-olds and "old" 23-year-olds.
However, you also want to date people that you're attracted to, relate to and feel comfortable dating. When thinking about how young to date, it's important to consider how you acted when you were young. Do you really want to miss out on someone who might be right for you because they're 42 and not 40?
So how do you arrive at the age range that is right for you? Once you've settled on an age range that feels comfortable to you, extend it by two years in either direction.
There are few people I know, male or female, who wouldn't consider dating Tina Fey if she were single. In the grand scheme of things, it's not that big a deal and it will open up your options a bit.
Of course, not everyone has the money, free time, surgery or personal trainers to get that "celeb look," but you should consider: If you'd date one person who is significantly older or younger than you, might you date another? Of course, everyone matures at a different rate, so you may want to ask your friends, too.
Angelina Jolie is one of the hottest women on the planet and she's 36. Would it have benefitted you to date someone older?
The method was developed by Willard Libby in the late 1940s and soon became a standard tool for archaeologists.
Libby received the Nobel Prize for his work in 1960.