Oldest Zero Dated To 200 AD

Oldest symbolic representation of the zero, represented by a dot, dated to an age of 1800 years, reports SPIEGEL here.  Found in a tutorial for merchants found in Pakistan.

Usually the zero was supposed to have been invented in India in 900 AD. But, it’s older than that.

 

Romans BTW were master engineers – yet they had a ludicrously complicated number system, making it impossible for them to do e.g. as complicated astronomical calculations like the Mayas did at the same time. The reason for their inability was that they had no zero and had to use different symbols for each magnitude. X for ten, C for hundred etc.

That’s why the zero is such an important symbol.

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Methadone Improves Lifespan Of Cancer Patients

Opioid Methadone, often used as Heroin replacement therapy, weakens tumor cell’s resistance against chemotherapy and radiation and sometimes outright kills them on its own. German chemist Dr. Claudia Friesen discovered this accidentally in 2007 while trying to explore opioid chemistry, using cancer cells as test candidates.

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The Problem With Radiometric Dating Methods

This video by Dr. Jim Mason talks about the principal method of dating objects by measuring the ratio  between radionucleide isotopes and their respective decay products, and how it fails.

Specifically, newly formed volcanic material was dated and the results are all over the place in the millions of years range. When the result should have been about 50 years.

Continue reading “The Problem With Radiometric Dating Methods”