Lab's dating 56 - Let s Talk Beer - YouTube


Mattel has sold over a billion Barbie dolls, making it the company’s largest and most profitable line. However, sales have declined sharply since 2014. [1] The doll transformed the toy business in affluent communities worldwide by becoming a vehicle for the sale of related merchandise (accessories, clothes, friends of Barbie, etc.). She had a significant impact on social values by conveying characteristics of female independence, and with her multitude of accessories, an idealized upscale life-style that can be shared with affluent friends. [2]

Figure 5. The original amount of the daughter strontium-87 can be precisely determined from the present-day composition by extending the line through the data points back to rubidium-87 = 0. This works because if there were no rubidium-87 in the sample, the strontium composition would not change. The slope of the line is used to determine the age of the sample.  


Lab's dating 56

Lab's dating 56