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A heatmap is a graphical representation of data using colors that represent different values. It's often used to demonstrate user behavior on a particular web page.

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

The chart represents the caloric breakdown of the average person’s daily consumption. Swipe through the timeline to see how the source and distribution of calories has changed over the last fifty ...