About the Author
Dr. D (AKA Michael Donaldson) is a scientist/educator who spends most of his waking hours developing ways to make science and math principles and concepts more understandable for grade school and high school students. In the summers, he offers week-long "Mad Scientist Day Camps."
Dr. D lives in Fairbanks, Alaska where he maintains the physical Mad Scientist Workshop.
Category Archives: Physical Science
Air is Strong!
Figure 1. The vacuum “lift” This is a photo of a science fair project that sought to test how much weight a canister vacuum cleaner could ”lift.” It started with a demonstration that can be done with any vacuum cleaner: … Continue reading
Posted in Physical Science, Uncategorized
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Magnifying weight: It’s all about acceleration
Periodically, I use bathroom scales for experiments. (However instead of calling them scales, I prefer the term forceometer, because they are very good at measuring the gravitational force of attraction between the earth and an object). I’ve found that I … Continue reading
Posted in Physical Science
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