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Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.
Other projects like AgeGuess [8] focus on the senior demographics and enable the elderly to upload photos of themselves so the public can guess different ages. Lists of citizen science projects may change. For example, the Old Weather project website indicates that as of January 10, 2015, 51% of the logs were completed. [9]
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This student is carrying his science project to school. Display projects involve a creative assembly of a display board and construction of a model to show a visual representation of a larger fact. Making a model of the Solar System, a house, or of a simple electric circuit are considered display projects. Display boards are used to enhance the ...
Way Cool Scientist: An expert discusses the fact of the episode's theme. Consider the Following: Nye discusses a certain aspect of the episode's theme. Nifty Home Experiment: A viewer demonstrates a simple home experiment. Try This: A viewer presents a simple demonstration. Hey! Look at This: An expert gives a closer look into the episode's theme.
Hertz wireless experiments (1887): Heinrich Hertz demonstrates free space electromagnetic waves, predicted by Maxwell's equations, with a simple dipole antenna and spark gap oscillator. Thomson's experiments with cathode rays (1897): J. J. Thomson's cathode ray tube experiments (discovers the electron and its negative charge).