Tag Archives: Scientific American

Employing Bacteria to Create Portraits

A recent article in Smithsonian Magazine features the work of Zachary Copfer, a biologist and artist who creates portraits of legendary icons such as Pablo Picasso, Leonardo da Vinci and Albert Einstein. One thing that makes Copfer’s work unique is his medium of choice; he employs a type of bacteria known as serratia marcescens that [...]

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The Pink Debate

“Visible light” corresponds to a wavelength of 400 – 700 nanometers or 10-07 meters.  The visible colors from shortest to longest wavelength are: violet, blue, green, yellow, orange, and red.  You’ll notice that the color pink doesn’t appear anywhere on that list. Recently, there has been debate as to whether or not the color pink [...]

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Liar Liar

Consider this scenario: as you leave work one day, an annoying co-worker corners you and asks you out on a date.  As quickly as possible, you have to come up with an excuse for why you can’t go.  What would you say?  How quickly could you make up a story?  How convincing would it be?  [...]

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Memory Shift

According to Scientific American, “The human brain consists of about one billion neurons [10+09]. Each neuron forms about 1,000 connections [10+03] to other neurons, amounting to more than a trillion connections [10+12].  If each neuron could only help store a single memory, running out of space would be a problem.  You might have only a [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1287 days ago