perception

As of this writing, China is battling a fierce outbreak of a new coronavirus, which is also threatening to spread to other parts of the world. It’s scary. And that means it is also very important to keep things in perspective. Panicking and overreacting will make things worse for everyone, including yourself. Which brings me to this map showing the spread of the 2019-nCoV coronavirus. This and several more like it have been featured in articles from The Sun. [Read More]

What is Color? This seems like a silly question. We are all familiar with colors and have been taught about them since kindergarten. But chances are that unless you have studied the physics of light you will be hard pressed to provide a concise description of what a color is. You probably remember there being some set of primary colors (there were three, right?), and that they mix to form other colors. [Read More]

The IEEE Visualization conference is just wrapping up, and this year I had the distinct pleasure of helping Bernice Rogowitz and Georges Grinstein in bringing back the Vis Lies event. It’s my favorite activity at vis that was disappointingly missing the past two years. I’m happy to say that it is back and as much fun as ever. For those who haven’t had the distinct pleasure of attending, Vis Lies is a meeting where we share examples of lying and confusing with visualization. [Read More]