What are the different types of light microscopy, how do preparations for each differ, and what are the advantages or uses of each? Measuring absorbance with a spectrophotometer provides a unitless value. Why? What is the difference between fluorescent and incandescent bulbs in m...
Several governmental programs seek the adoption of measures to promote energy efficiency through the substitution of old incadescent light bulbs by CFLs (compact fluorescent lamps). However, fluores- cent lamps emit UV, pollute the environment with mercury and rare earths if disposed recklessly. ...
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