After the water drops have rolled off, what do you notice about the leaf? Is the leaf dry or wet? Is that what you expected? How might water-repellent leaves help a plant? If plants need water, then ...
Introduction Have you ever studied an everyday object through a magnifying glass—and been amazed at what you could see? Or have you ever noticed, for example in a swimming pool, that an object that is ...
The DropoScope is a water-drop projector that works by projecting a laser through a drop of water, ideally dirty water crawling with microorganisms. With the right adjustments, a bright spot of light ...
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