Hans Rosling uses toilet paper to explain global population dynamics

We live among vast orders of magnitude, but they don’t have to be off-putting.Photo Illustration by NASA Goddard Space Flight Center…

"Not a lot of research has been done on how our minds perceive and comprehend large orders of magnitude—big differences between the size of, say, a cell and our sun. But one academic outwardly passionate about it is David Landy, assistant professor of psychological and brain sciences at Indiana University in Bloomington. Landy has done several studies on how well people understand very large numbers—namely, the millions, billions, and trillions—in relation to each other on a number line...

Hans Rosling uses toilet paper to explain global population dynamics

We live among vast orders of magnitude, but they don’t have to be off-putting.Photo Illustration by NASA Goddard Space Flight Center…

"Not a lot of research has been done on how our minds perceive and comprehend large orders of magnitude—big differences between the size of, say, a cell and our sun. But one academic outwardly passionate about it is David Landy, assistant professor of psychological and brain sciences at Indiana University in Bloomington. Landy has done several studies on how well people understand very large numbers—namely, the millions, billions, and trillions—in relation to each other on a number line...