Casio has added a new model to its PRIZM lineup of graphic calculators. The new PRIZM CAS fx-CG500, designed for middle school math classes and beyond, boasts a high-resolution touchscreen LCD display ...
[Jure Spiler] was at a flea market and got himself a spectrophotometer — a device that measures absorbance and transmittance of light at different wavelengths. This particular model seems to be about ...
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