Monthly Archives: October 2011

Boo.

It’s Halloween.  That means it’s time for zombies, vampires, and a caloric intake that will frighten the pants off of just about anyone. Today, a CNN article stated that the average child consumes as many as 7,000 calories (10+03) on Halloween night.  Each little princess or pirate expends 10+04 joules of energy to metabolize a [...]

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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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Orders of magnitude

Look at another example of distance based on the meter on a scale line – Erik Max Francis’ Orders of Magnitude: Distance. A Powers of 10 project would be to make your own scale line online.

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Understanding the Nanoscale

Nobel Laureates Heinrich Rohrer and Gerd Binnig who created the scanning tunneling microscope and won the Nobel Prize in Physics in 1986. Gadolinium on Niobium The upper image is a topograph of three gadolinium atoms on a niobium surface. The lower image is a simultaneously acquired map of the conductance in the sample. Courtesy: IBM [...]

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Optical illusion

Rainbows are spectacular optical illusions! For Rene Descartes’ description of a rainbow in 1637, click here. Rainbow: light passing through water drops from Planet Pals… ——————————————————————————————————- Here are some Q & A highlights about rainbows from Weather Wiz Kids: How do we get rainbows? Rainbows are spectacular rays of color. Sunlight looks white, but it’s [...]

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Build your own powers of 10 scale line

Information overload?!?  Not if you have a powers of 10 scale line… Sometimes it is difficult to grasp the significance of the numbers that we read about.  We don’t know which ones are important.  My 100 day countdown to 10/10/11 is a scrapbook of numbers that surround us everyday.   The scrapbook is a way [...]

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Happy Powers of 10 Day!

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Nanobes

Some scientists believe that nanobes are the smallest living organisms.  They are 20-150 billionths of a meter (10-12 to 10-13), and smaller than any known bacteria, spore or other single-celled organism. In 2004, a team at the Mayo Clinic in Rochester, Minnestota presented four years of research on nanobes.  They claimed that they may cause [...]

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(NASA’s Astronomy Picture of the Day -) 1 (Supernova)

From NASA’s Astronomy Picture of the Day “Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.” October 9, 2011 Nobels for a Strange Universe Image Credit: High-Z Supernova Search Team, HST, NASA Explanation: “Thirteen years ago results were first presented indicating [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1529 days ago