Category Archives: Science

March for Science: All About Images

The March for Science will take place April 22, 2017 in Washington, D.C., St. Paul, MN, and elsewhere. This march is not for just Democrats or Republicans. Instead, it is a non-political march designed to highlight the importance of science … Continue reading

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Europium in Europe

According to Periodic Tales by Hugh Aldersey-Williams, every element has a use, or at least most of them do. The rare earth element, europium is used in European banknotes for security, along with TVs and ¬†fluorescent light bulbs. It is … Continue reading

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Reading Closed Books

Now you don’t even have to open a book to read it! That’s right, scientists at MIT have invented a new camera that is able to read closed books. The new camera uses tetrahertz radiation to determine the position of … Continue reading

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Do you see a horse?

This is an interesting image. The color difference for the horse corresponds to a Delta E of 3, which is just greater than the generally perceived just noticeable difference (JND) value of a Delta E of 2.3. For more on … Continue reading

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We are not as attractive as we think we are

Epley and Whitchurch, 2008 When people are shown a full array of photos of themselves, from 50 percent more attractive to 50 percent less attractive, they choose the 20 percent better-looking photo as the one they like most and think … Continue reading

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Science of pH

pH seems like a simple concept but it’s actually relatively complicated. Let’s correct some misunderstandings that I have seen recently. There is nothing magical about a pH of 7. pH 7.0 is generally defined as neutral; however that doesn’t mean … Continue reading

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Long Live the Rectangle

[The golden ratio is] that proportion which, as a standard proportion, underlies the arrangement of the human form, the construction of the more beautiful animals, the construction of plants, namely in the form of their leaf-arrangement, the forms of various … Continue reading

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