Why Are Man-Made Lakes Blue?

Blue water lakes contain low concentrations of algae and other substances, resulting in high clarity and a deep blue color. Water molecules absorb longer, visible wavelengths (e.g. red light, 600-700 nm) while shorter, blue wavelengths (< 500 nm) pass deeper into the water column. [embed]https://youtube.com/watch?v=jEaTW8OGvz0[/embed] What makes Great Lakes blue? The blue in Lake Michigan …

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What Do Rubber Ducks Mean?

The idea behind it is that the rubber duck is a symbol of happiness and childhood memories, giving comfort to different people regardless of their nationality, age, and race, without political distinction. What does a rubber ducky on your car mean? Apparently, the rubber ducks are part of a nationwide game called #DuckDuckJeep, meant to …

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