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Latest Alexander Scheeline Stories

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2010-10-11 14:05:00

University of Illinois chemistry professor Alexander Scheeline  wants to see high school students using their cell phones in class. Not for texting or surfing the Web, but as an analytical chemistry instrument. Scheeline developed a method using a few basic, inexpensive supplies and a digital camera to build a spectrometer, an important basic chemistry instrument. Spectrophotometry is one of the most widely used means for identifying and quantifying materials in both physical and...


Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
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