Background/Applications: Fireworks have long been tied to both spiritual and secular celebrations. Their origins are often attributed to China around 200 B.C.E., though “modern” fireworks utilizing gunpowder (a mixture of…
Read MoreBackground/Applications: We were intrigued by a claim that the composition of an Oreo™ cookie’s interior, consisting of two chocolate biscuits and a sweet cream filling, bore a resemblance to a…
Read MoreBackground/Applications: Colorimetry is a measurement method used to quantify the color of a substance or object by the intensity and wavelength of light absorbed, transmitted, or reflected by the sample.…
Read MoreBackground/Applications: Valentine’s Day is one of the most popular holidays both nationally and globally. The holiday of romance as we know it began around the 14th century as a celebration…
Read MoreBackground/Applications: Each year, many people make New Year’s resolutions which are personal goals or commitments that a person makes for the New Year, often related to self-improvement. One of the…
Read MoreBackground/Applications: Chlorophyll is the essential pigment that allows plants to absorb energy from light. It absorbs light most strongly in the blue and red portions of the visible spectrum and…
Read MoreBackground/Applications: Fluorescence spectroscopy can be used in a wide range of applications from medical, to fraud detection, and food safety. For example, in medical applications, fluorescence is being used to…
Read MoreRoundup Experiment In this experiment, we tested low concentrations of glyphosate with a special variable path length dip probe with a narrow tip to measure the chemical’s absorbance. We tested…
Read MoreBackground/Applications: Anthocyanins are water-soluble pigments that are responsible for the red, purple, and blue coloring in fruits and vegetables. The colored anthocyanins are used as natural food colorants, and as…
Read MoreBackground/Applications: Human skin measurements apply to many industries and field studies with differing analyses in absorbance, transmission, and or reflectance. In this experiment, we tested the absorbance and reflectance of…
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