Tag Archives: x-rays

10-to-minus12

We can consider the power 10-12 from multiple perspectives.  A few of many examples are listed below: Mass of an average human cell (10-12 Kg) Lowest pressure obtained in laboratory conditions (10-12 pascals) Surface area of an E. coli bacterium (6×10-12 m2) Kinetic energy of a D-T fusion neutron (2.26×10-12 joules) Wavelength of gamma rays [...]

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China’s Art Market: Boom or Bust?

NPR’s Morning Edition recently discussed China’s booming art market.  Some auction houses are raking in millions of dollars a month; however, it appears that many of the artworks sold are forgeries. This past June, a painting—supposedly by artist Xu Beihong, who died in 1953—sold at auction for $11 million (10+07).  But Zhang Yanhua, president of [...]

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Finding Powers of 10 in 10 random topics…

Many of us worry about things that we can’t see with the naked eye because they seem so abstract that they are hard to comprehend. Thinking about these 10 random topics at different powers of 10 helps give one a starting point. – cloning using DNA (10-9) of sheep (100), flowers (10-2), or ants (10-3) [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1420 days ago